276996980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2161}}^1$

素因数の和:2229

約数の個数: 96

約数和(自身を含む): 686478240

約数和(自身を除く): 409481260

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 29, 34, 52, 58, 65, 68, 85, 116, 130, 145, 170, 221, 260, 290, 340, 377, 442, 493, 580, 754, 884, 986, 1105, 1508, 1885, 1972, 2161, 2210, 2465, 3770, 4322, 4420, 4930, 6409, 7540, 8644, 9860, 10805, 12818, 21610, 25636, 28093, 32045, 36737, 43220, 56186, 62669, 64090, 73474, 112372, 125338, 128180, 140465, 146948, 183685, 250676, 280930, 313345, 367370, 477581, 561860, 626690, 734740, 814697, 955162, 1065373, 1253380, 1629394, 1910324, 2130746, 2387905, 3258788, 4073485, 4261492, 4775810, 5326865, 8146970, 9551620, 10653730, 13849849, 16293940, 21307460, 27699698, 55399396, 69249245, 138498490, 276996980]

約数ペア:

[(1, 276996980), (2, 138498490), (4, 69249245), (5, 55399396), (10, 27699698), (13, 21307460), (17, 16293940), (20, 13849849), (26, 10653730), (29, 9551620), (34, 8146970), (52, 5326865), (58, 4775810), (65, 4261492), (68, 4073485), (85, 3258788), (116, 2387905), (130, 2130746), (145, 1910324), (170, 1629394), (221, 1253380), (260, 1065373), (290, 955162), (340, 814697), (377, 734740), (442, 626690), (493, 561860), (580, 477581), (754, 367370), (884, 313345), (986, 280930), (1105, 250676), (1508, 183685), (1885, 146948), (1972, 140465), (2161, 128180), (2210, 125338), (2465, 112372), (3770, 73474), (4322, 64090), (4420, 62669), (4930, 56186), (6409, 43220), (7540, 36737), (8644, 32045), (9860, 28093), (10805, 25636), (12818, 21610)]