215765830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{739}}^1$

素因数の和:893

約数の個数: 64

約数和(自身を含む): 459486720

約数和(自身を除く): 243720890

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 97, 194, 215, 301, 430, 485, 602, 679, 739, 970, 1358, 1478, 1505, 3010, 3395, 3695, 4171, 5173, 6790, 7390, 8342, 10346, 20855, 25865, 29197, 31777, 41710, 51730, 58394, 63554, 71683, 143366, 145985, 158885, 222439, 291970, 317770, 358415, 444878, 501781, 716830, 1003562, 1112195, 2224390, 2508905, 3082369, 5017810, 6164738, 15411845, 21576583, 30823690, 43153166, 107882915, 215765830]

約数ペア:

[(1, 215765830), (2, 107882915), (5, 43153166), (7, 30823690), (10, 21576583), (14, 15411845), (35, 6164738), (43, 5017810), (70, 3082369), (86, 2508905), (97, 2224390), (194, 1112195), (215, 1003562), (301, 716830), (430, 501781), (485, 444878), (602, 358415), (679, 317770), (739, 291970), (970, 222439), (1358, 158885), (1478, 145985), (1505, 143366), (3010, 71683), (3395, 63554), (3695, 58394), (4171, 51730), (5173, 41710), (6790, 31777), (7390, 29197), (8342, 25865), (10346, 20855)]