28958820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 192

約数和(自身を含む): 97977600

約数和(自身を除く): 69018780

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 29, 30, 33, 34, 44, 51, 55, 58, 60, 66, 68, 85, 87, 89, 102, 110, 116, 132, 145, 165, 170, 174, 178, 187, 204, 220, 255, 267, 290, 319, 330, 340, 348, 356, 374, 435, 445, 493, 510, 534, 561, 580, 638, 660, 748, 870, 890, 935, 957, 979, 986, 1020, 1068, 1122, 1276, 1335, 1479, 1513, 1595, 1740, 1780, 1870, 1914, 1958, 1972, 2244, 2465, 2581, 2670, 2805, 2937, 2958, 3026, 3190, 3740, 3828, 3916, 4539, 4785, 4895, 4930, 5162, 5340, 5423, 5610, 5874, 5916, 6052, 6380, 7395, 7565, 7743, 9078, 9570, 9790, 9860, 10324, 10846, 11220, 11748, 12905, 14685, 14790, 15130, 15486, 16269, 16643, 18156, 19140, 19580, 21692, 22695, 25810, 27115, 28391, 29370, 29580, 30260, 30972, 32538, 33286, 38715, 43877, 45390, 49929, 51620, 54230, 56782, 58740, 65076, 66572, 77430, 81345, 83215, 85173, 87754, 90780, 99858, 108460, 113564, 131631, 141955, 154860, 162690, 166430, 170346, 175508, 199716, 219385, 249645, 263262, 283910, 325380, 332860, 340692, 425865, 438770, 482647, 499290, 526524, 567820, 658155, 851730, 877540, 965294, 998580, 1316310, 1447941, 1703460, 1930588, 2413235, 2632620, 2895882, 4826470, 5791764, 7239705, 9652940, 14479410, 28958820]

約数ペア:

[(1, 28958820), (2, 14479410), (3, 9652940), (4, 7239705), (5, 5791764), (6, 4826470), (10, 2895882), (11, 2632620), (12, 2413235), (15, 1930588), (17, 1703460), (20, 1447941), (22, 1316310), (29, 998580), (30, 965294), (33, 877540), (34, 851730), (44, 658155), (51, 567820), (55, 526524), (58, 499290), (60, 482647), (66, 438770), (68, 425865), (85, 340692), (87, 332860), (89, 325380), (102, 283910), (110, 263262), (116, 249645), (132, 219385), (145, 199716), (165, 175508), (170, 170346), (174, 166430), (178, 162690), (187, 154860), (204, 141955), (220, 131631), (255, 113564), (267, 108460), (290, 99858), (319, 90780), (330, 87754), (340, 85173), (348, 83215), (356, 81345), (374, 77430), (435, 66572), (445, 65076), (493, 58740), (510, 56782), (534, 54230), (561, 51620), (580, 49929), (638, 45390), (660, 43877), (748, 38715), (870, 33286), (890, 32538), (935, 30972), (957, 30260), (979, 29580), (986, 29370), (1020, 28391), (1068, 27115), (1122, 25810), (1276, 22695), (1335, 21692), (1479, 19580), (1513, 19140), (1595, 18156), (1740, 16643), (1780, 16269), (1870, 15486), (1914, 15130), (1958, 14790), (1972, 14685), (2244, 12905), (2465, 11748), (2581, 11220), (2670, 10846), (2805, 10324), (2937, 9860), (2958, 9790), (3026, 9570), (3190, 9078), (3740, 7743), (3828, 7565), (3916, 7395), (4539, 6380), (4785, 6052), (4895, 5916), (4930, 5874), (5162, 5610), (5340, 5423)]