201313640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{449}}^1\times {\mathrm{1019}}^1$

素因数の和:1490

約数の個数: 64

約数和(自身を含む): 495720000

約数和(自身を除く): 294406360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 449, 898, 1019, 1796, 2038, 2245, 3592, 4076, 4490, 4939, 5095, 8152, 8980, 9878, 10190, 11209, 17960, 19756, 20380, 22418, 24695, 39512, 40760, 44836, 49390, 56045, 89672, 98780, 112090, 197560, 224180, 448360, 457531, 915062, 1830124, 2287655, 3660248, 4575310, 5032841, 9150620, 10065682, 18301240, 20131364, 25164205, 40262728, 50328410, 100656820, 201313640]

約数ペア:

[(1, 201313640), (2, 100656820), (4, 50328410), (5, 40262728), (8, 25164205), (10, 20131364), (11, 18301240), (20, 10065682), (22, 9150620), (40, 5032841), (44, 4575310), (55, 3660248), (88, 2287655), (110, 1830124), (220, 915062), (440, 457531), (449, 448360), (898, 224180), (1019, 197560), (1796, 112090), (2038, 98780), (2245, 89672), (3592, 56045), (4076, 49390), (4490, 44836), (4939, 40760), (5095, 39512), (8152, 24695), (8980, 22418), (9878, 20380), (10190, 19756), (11209, 17960)]