261848090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{433}}^1$

素因数の和:663

約数の個数: 64

約数和(自身を含む): 553464576

約数和(自身を除く): 291616486

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 163, 265, 326, 371, 433, 530, 742, 815, 866, 1141, 1630, 1855, 2165, 2282, 3031, 3710, 4330, 5705, 6062, 8639, 11410, 15155, 17278, 22949, 30310, 43195, 45898, 60473, 70579, 86390, 114745, 120946, 141158, 160643, 229490, 302365, 321286, 352895, 494053, 604730, 705790, 803215, 988106, 1606430, 2470265, 3740687, 4940530, 7481374, 18703435, 26184809, 37406870, 52369618, 130924045, 261848090]

約数ペア:

[(1, 261848090), (2, 130924045), (5, 52369618), (7, 37406870), (10, 26184809), (14, 18703435), (35, 7481374), (53, 4940530), (70, 3740687), (106, 2470265), (163, 1606430), (265, 988106), (326, 803215), (371, 705790), (433, 604730), (530, 494053), (742, 352895), (815, 321286), (866, 302365), (1141, 229490), (1630, 160643), (1855, 141158), (2165, 120946), (2282, 114745), (3031, 86390), (3710, 70579), (4330, 60473), (5705, 45898), (6062, 43195), (8639, 30310), (11410, 22949), (15155, 17278)]