28010097940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{911}}^1\times {\mathrm{8221}}^1$

素因数の和:9169

約数の個数: 96

約数和(自身を含む): 68026065408

約数和(自身を除く): 40015967468

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 911, 935, 1822, 1870, 3644, 3740, 4555, 8221, 9110, 10021, 15487, 16442, 18220, 20042, 30974, 32884, 40084, 41105, 50105, 61948, 77435, 82210, 90431, 100210, 139757, 154870, 164420, 170357, 180862, 200420, 279514, 309740, 340714, 361724, 452155, 559028, 681428, 698785, 851785, 904310, 1397570, 1537327, 1703570, 1808620, 2795140, 3074654, 3407140, 6149308, 7489331, 7686635, 14978662, 15373270, 29957324, 30746540, 37446655, 74893310, 82382641, 127318627, 149786620, 164765282, 254637254, 329530564, 411913205, 509274508, 636593135, 823826410, 1273186270, 1400504897, 1647652820, 2546372540, 2801009794, 5602019588, 7002524485, 14005048970, 28010097940]

約数ペア:

[(1, 28010097940), (2, 14005048970), (4, 7002524485), (5, 5602019588), (10, 2801009794), (11, 2546372540), (17, 1647652820), (20, 1400504897), (22, 1273186270), (34, 823826410), (44, 636593135), (55, 509274508), (68, 411913205), (85, 329530564), (110, 254637254), (170, 164765282), (187, 149786620), (220, 127318627), (340, 82382641), (374, 74893310), (748, 37446655), (911, 30746540), (935, 29957324), (1822, 15373270), (1870, 14978662), (3644, 7686635), (3740, 7489331), (4555, 6149308), (8221, 3407140), (9110, 3074654), (10021, 2795140), (15487, 1808620), (16442, 1703570), (18220, 1537327), (20042, 1397570), (30974, 904310), (32884, 851785), (40084, 698785), (41105, 681428), (50105, 559028), (61948, 452155), (77435, 361724), (82210, 340714), (90431, 309740), (100210, 279514), (139757, 200420), (154870, 180862), (164420, 170357)]