219749820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:117

約数の個数: 288

約数和(自身を含む): 742694400

約数和(自身を除く): 522944580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 23, 29, 30, 34, 38, 46, 51, 57, 58, 60, 68, 69, 76, 85, 87, 92, 95, 102, 114, 115, 116, 138, 145, 170, 174, 190, 204, 228, 230, 255, 276, 285, 289, 290, 323, 340, 345, 348, 380, 391, 435, 437, 460, 493, 510, 551, 570, 578, 580, 646, 667, 690, 782, 867, 870, 874, 969, 986, 1020, 1102, 1140, 1156, 1173, 1292, 1311, 1334, 1380, 1445, 1479, 1564, 1615, 1653, 1734, 1740, 1748, 1938, 1955, 1972, 2001, 2185, 2204, 2346, 2465, 2622, 2668, 2755, 2890, 2958, 3230, 3306, 3335, 3468, 3876, 3910, 4002, 4335, 4370, 4692, 4845, 4930, 5244, 5491, 5510, 5780, 5865, 5916, 6460, 6555, 6612, 6647, 6670, 7395, 7429, 7820, 8004, 8265, 8381, 8670, 8740, 9367, 9690, 9860, 10005, 10982, 11020, 11339, 11730, 12673, 13110, 13294, 13340, 14790, 14858, 16473, 16530, 16762, 17340, 18734, 19380, 19941, 20010, 21964, 22287, 22678, 23460, 25143, 25346, 26220, 26588, 27455, 28101, 29580, 29716, 32946, 33060, 33235, 33524, 34017, 37145, 37468, 38019, 39882, 40020, 41905, 44574, 45356, 46835, 50286, 50692, 54910, 56202, 56695, 63365, 65892, 66470, 68034, 74290, 76038, 79764, 82365, 83810, 89148, 93670, 99705, 100572, 109820, 111435, 112404, 113390, 125715, 126293, 126730, 132940, 136068, 140505, 148580, 152076, 159239, 164730, 167620, 170085, 187340, 190095, 192763, 199410, 215441, 222870, 226780, 251430, 252586, 253460, 281010, 318478, 329460, 340170, 378879, 380190, 385526, 398820, 430882, 445740, 477717, 502860, 505172, 562020, 578289, 631465, 636956, 646323, 680340, 757758, 760380, 771052, 796195, 861764, 955434, 963815, 1077205, 1156578, 1262930, 1292646, 1515516, 1592390, 1894395, 1910868, 1927630, 2154410, 2313156, 2388585, 2525860, 2585292, 2891445, 3184780, 3231615, 3662497, 3788790, 3855260, 4308820, 4777170, 5782890, 6463230, 7324994, 7577580, 9554340, 10987491, 11565780, 12926460, 14649988, 18312485, 21974982, 36624970, 43949964, 54937455, 73249940, 109874910, 219749820]

約数ペア:

[(1, 219749820), (2, 109874910), (3, 73249940), (4, 54937455), (5, 43949964), (6, 36624970), (10, 21974982), (12, 18312485), (15, 14649988), (17, 12926460), (19, 11565780), (20, 10987491), (23, 9554340), (29, 7577580), (30, 7324994), (34, 6463230), (38, 5782890), (46, 4777170), (51, 4308820), (57, 3855260), (58, 3788790), (60, 3662497), (68, 3231615), (69, 3184780), (76, 2891445), (85, 2585292), (87, 2525860), (92, 2388585), (95, 2313156), (102, 2154410), (114, 1927630), (115, 1910868), (116, 1894395), (138, 1592390), (145, 1515516), (170, 1292646), (174, 1262930), (190, 1156578), (204, 1077205), (228, 963815), (230, 955434), (255, 861764), (276, 796195), (285, 771052), (289, 760380), (290, 757758), (323, 680340), (340, 646323), (345, 636956), (348, 631465), (380, 578289), (391, 562020), (435, 505172), (437, 502860), (460, 477717), (493, 445740), (510, 430882), (551, 398820), (570, 385526), (578, 380190), (580, 378879), (646, 340170), (667, 329460), (690, 318478), (782, 281010), (867, 253460), (870, 252586), (874, 251430), (969, 226780), (986, 222870), (1020, 215441), (1102, 199410), (1140, 192763), (1156, 190095), (1173, 187340), (1292, 170085), (1311, 167620), (1334, 164730), (1380, 159239), (1445, 152076), (1479, 148580), (1564, 140505), (1615, 136068), (1653, 132940), (1734, 126730), (1740, 126293), (1748, 125715), (1938, 113390), (1955, 112404), (1972, 111435), (2001, 109820), (2185, 100572), (2204, 99705), (2346, 93670), (2465, 89148), (2622, 83810), (2668, 82365), (2755, 79764), (2890, 76038), (2958, 74290), (3230, 68034), (3306, 66470), (3335, 65892), (3468, 63365), (3876, 56695), (3910, 56202), (4002, 54910), (4335, 50692), (4370, 50286), (4692, 46835), (4845, 45356), (4930, 44574), (5244, 41905), (5491, 40020), (5510, 39882), (5780, 38019), (5865, 37468), (5916, 37145), (6460, 34017), (6555, 33524), (6612, 33235), (6647, 33060), (6670, 32946), (7395, 29716), (7429, 29580), (7820, 28101), (8004, 27455), (8265, 26588), (8381, 26220), (8670, 25346), (8740, 25143), (9367, 23460), (9690, 22678), (9860, 22287), (10005, 21964), (10982, 20010), (11020, 19941), (11339, 19380), (11730, 18734), (12673, 17340), (13110, 16762), (13294, 16530), (13340, 16473), (14790, 14858)]