907172380

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 2011806720

約数和(自身を除く): 1104634340

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 131, 139, 188, 212, 235, 262, 265, 278, 470, 524, 530, 556, 655, 695, 940, 1060, 1310, 1390, 2491, 2620, 2780, 4982, 6157, 6533, 6943, 7367, 9964, 12314, 12455, 13066, 13886, 14734, 18209, 24628, 24910, 26132, 27772, 29468, 30785, 32665, 34715, 36418, 36835, 49820, 61570, 65330, 69430, 72836, 73670, 91045, 123140, 130660, 138860, 147340, 182090, 326321, 346249, 364180, 652642, 692498, 855823, 965077, 1305284, 1384996, 1631605, 1711646, 1731245, 1930154, 3263210, 3423292, 3462490, 3860308, 4279115, 4825385, 6526420, 6924980, 8558230, 9650770, 17116460, 19301540, 45358619, 90717238, 181434476, 226793095, 453586190, 907172380]

約数ペア:

[(1, 907172380), (2, 453586190), (4, 226793095), (5, 181434476), (10, 90717238), (20, 45358619), (47, 19301540), (53, 17116460), (94, 9650770), (106, 8558230), (131, 6924980), (139, 6526420), (188, 4825385), (212, 4279115), (235, 3860308), (262, 3462490), (265, 3423292), (278, 3263210), (470, 1930154), (524, 1731245), (530, 1711646), (556, 1631605), (655, 1384996), (695, 1305284), (940, 965077), (1060, 855823), (1310, 692498), (1390, 652642), (2491, 364180), (2620, 346249), (2780, 326321), (4982, 182090), (6157, 147340), (6533, 138860), (6943, 130660), (7367, 123140), (9964, 91045), (12314, 73670), (12455, 72836), (13066, 69430), (13886, 65330), (14734, 61570), (18209, 49820), (24628, 36835), (24910, 36418), (26132, 34715), (27772, 32665), (29468, 30785)]