1233980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 2903040

約数和(自身を除く): 1669060

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 79, 110, 142, 158, 220, 284, 316, 355, 395, 710, 781, 790, 869, 1420, 1562, 1580, 1738, 3124, 3476, 3905, 4345, 5609, 7810, 8690, 11218, 15620, 17380, 22436, 28045, 56090, 61699, 112180, 123398, 246796, 308495, 616990, 1233980]

約数ペア:

[(1, 1233980), (2, 616990), (4, 308495), (5, 246796), (10, 123398), (11, 112180), (20, 61699), (22, 56090), (44, 28045), (55, 22436), (71, 17380), (79, 15620), (110, 11218), (142, 8690), (158, 7810), (220, 5609), (284, 4345), (316, 3905), (355, 3476), (395, 3124), (710, 1738), (781, 1580), (790, 1562), (869, 1420)]