18098990980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{569}}^1\times {\mathrm{1789}}^1$

素因数の和:2501

約数の個数: 96

約数和(自身を含む): 43881062400

約数和(自身を除く): 25782071420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 569, 635, 889, 1138, 1270, 1778, 1789, 2276, 2540, 2845, 3556, 3578, 3983, 4445, 5690, 7156, 7966, 8890, 8945, 11380, 12523, 15932, 17780, 17890, 19915, 25046, 35780, 39830, 50092, 62615, 72263, 79660, 125230, 144526, 227203, 250460, 289052, 361315, 454406, 505841, 722630, 908812, 1011682, 1017941, 1136015, 1445260, 1590421, 2023364, 2035882, 2272030, 2529205, 3180842, 4071764, 4544060, 5058410, 5089705, 6361684, 7125587, 7952105, 10116820, 10179410, 14251174, 15904210, 20358820, 28502348, 31808420, 35627935, 71255870, 129278507, 142511740, 258557014, 517114028, 646392535, 904949549, 1292785070, 1809899098, 2585570140, 3619798196, 4524747745, 9049495490, 18098990980]

約数ペア:

[(1, 18098990980), (2, 9049495490), (4, 4524747745), (5, 3619798196), (7, 2585570140), (10, 1809899098), (14, 1292785070), (20, 904949549), (28, 646392535), (35, 517114028), (70, 258557014), (127, 142511740), (140, 129278507), (254, 71255870), (508, 35627935), (569, 31808420), (635, 28502348), (889, 20358820), (1138, 15904210), (1270, 14251174), (1778, 10179410), (1789, 10116820), (2276, 7952105), (2540, 7125587), (2845, 6361684), (3556, 5089705), (3578, 5058410), (3983, 4544060), (4445, 4071764), (5690, 3180842), (7156, 2529205), (7966, 2272030), (8890, 2035882), (8945, 2023364), (11380, 1590421), (12523, 1445260), (15932, 1136015), (17780, 1017941), (17890, 1011682), (19915, 908812), (25046, 722630), (35780, 505841), (39830, 454406), (50092, 361315), (62615, 289052), (72263, 250460), (79660, 227203), (125230, 144526)]