201911220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:191

約数の個数: 288

約数和(自身を含む): 740952576

約数和(自身を除く): 539041356

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 60, 61, 63, 70, 71, 74, 84, 90, 105, 111, 122, 126, 140, 142, 148, 180, 183, 185, 210, 213, 222, 244, 252, 259, 284, 305, 315, 333, 355, 366, 370, 420, 426, 427, 444, 497, 518, 549, 555, 610, 630, 639, 666, 710, 732, 740, 777, 852, 854, 915, 994, 1036, 1065, 1098, 1110, 1220, 1260, 1278, 1281, 1295, 1332, 1420, 1491, 1554, 1665, 1708, 1830, 1988, 2130, 2135, 2196, 2220, 2257, 2331, 2485, 2556, 2562, 2590, 2627, 2745, 2982, 3108, 3195, 3330, 3660, 3843, 3885, 4260, 4270, 4331, 4473, 4514, 4662, 4970, 5124, 5180, 5254, 5490, 5964, 6390, 6405, 6660, 6771, 7455, 7686, 7770, 7881, 8540, 8662, 8946, 9028, 9324, 9940, 10508, 10980, 11285, 11655, 12780, 12810, 12993, 13135, 13542, 14910, 15372, 15540, 15762, 15799, 17324, 17892, 18389, 19215, 20313, 21655, 22365, 22570, 23310, 23643, 25620, 25986, 26270, 27084, 29820, 30317, 31524, 31598, 33855, 36778, 38430, 38979, 39405, 40626, 43310, 44730, 45140, 46620, 47286, 47397, 51972, 52540, 55167, 60634, 63196, 64965, 67710, 73556, 76860, 77958, 78810, 78995, 81252, 86620, 89460, 90951, 91945, 94572, 94794, 101565, 110334, 118215, 121268, 129930, 135420, 142191, 151585, 155916, 157620, 157990, 160247, 165501, 181902, 183890, 189588, 194895, 203130, 220668, 236430, 236985, 259860, 272853, 275835, 284382, 303170, 315980, 320494, 331002, 363804, 367780, 389790, 406260, 454755, 472860, 473970, 480741, 545706, 551670, 568764, 606340, 640988, 662004, 710955, 779580, 801235, 827505, 909510, 947940, 961482, 1091412, 1103340, 1121729, 1364265, 1421910, 1442223, 1602470, 1655010, 1819020, 1922964, 2243458, 2403705, 2728530, 2843820, 2884446, 3204940, 3310020, 3365187, 4486916, 4807410, 5457060, 5608645, 5768892, 6730374, 7211115, 9614820, 10095561, 11217290, 13460748, 14422230, 16825935, 20191122, 22434580, 28844460, 33651870, 40382244, 50477805, 67303740, 100955610, 201911220]

約数ペア:

[(1, 201911220), (2, 100955610), (3, 67303740), (4, 50477805), (5, 40382244), (6, 33651870), (7, 28844460), (9, 22434580), (10, 20191122), (12, 16825935), (14, 14422230), (15, 13460748), (18, 11217290), (20, 10095561), (21, 9614820), (28, 7211115), (30, 6730374), (35, 5768892), (36, 5608645), (37, 5457060), (42, 4807410), (45, 4486916), (60, 3365187), (61, 3310020), (63, 3204940), (70, 2884446), (71, 2843820), (74, 2728530), (84, 2403705), (90, 2243458), (105, 1922964), (111, 1819020), (122, 1655010), (126, 1602470), (140, 1442223), (142, 1421910), (148, 1364265), (180, 1121729), (183, 1103340), (185, 1091412), (210, 961482), (213, 947940), (222, 909510), (244, 827505), (252, 801235), (259, 779580), (284, 710955), (305, 662004), (315, 640988), (333, 606340), (355, 568764), (366, 551670), (370, 545706), (420, 480741), (426, 473970), (427, 472860), (444, 454755), (497, 406260), (518, 389790), (549, 367780), (555, 363804), (610, 331002), (630, 320494), (639, 315980), (666, 303170), (710, 284382), (732, 275835), (740, 272853), (777, 259860), (852, 236985), (854, 236430), (915, 220668), (994, 203130), (1036, 194895), (1065, 189588), (1098, 183890), (1110, 181902), (1220, 165501), (1260, 160247), (1278, 157990), (1281, 157620), (1295, 155916), (1332, 151585), (1420, 142191), (1491, 135420), (1554, 129930), (1665, 121268), (1708, 118215), (1830, 110334), (1988, 101565), (2130, 94794), (2135, 94572), (2196, 91945), (2220, 90951), (2257, 89460), (2331, 86620), (2485, 81252), (2556, 78995), (2562, 78810), (2590, 77958), (2627, 76860), (2745, 73556), (2982, 67710), (3108, 64965), (3195, 63196), (3330, 60634), (3660, 55167), (3843, 52540), (3885, 51972), (4260, 47397), (4270, 47286), (4331, 46620), (4473, 45140), (4514, 44730), (4662, 43310), (4970, 40626), (5124, 39405), (5180, 38979), (5254, 38430), (5490, 36778), (5964, 33855), (6390, 31598), (6405, 31524), (6660, 30317), (6771, 29820), (7455, 27084), (7686, 26270), (7770, 25986), (7881, 25620), (8540, 23643), (8662, 23310), (8946, 22570), (9028, 22365), (9324, 21655), (9940, 20313), (10508, 19215), (10980, 18389), (11285, 17892), (11655, 17324), (12780, 15799), (12810, 15762), (12993, 15540), (13135, 15372), (13542, 14910)]