129498380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{7451}}^1$

素因数の和:7550

約数の個数: 48

約数和(自身を含む): 300464640

約数和(自身を除く): 170966260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 7451, 8690, 14902, 17380, 29804, 37255, 74510, 81961, 149020, 163922, 327844, 409805, 588629, 819610, 1177258, 1639220, 2354516, 2943145, 5886290, 6474919, 11772580, 12949838, 25899676, 32374595, 64749190, 129498380]

約数ペア:

[(1, 129498380), (2, 64749190), (4, 32374595), (5, 25899676), (10, 12949838), (11, 11772580), (20, 6474919), (22, 5886290), (44, 2943145), (55, 2354516), (79, 1639220), (110, 1177258), (158, 819610), (220, 588629), (316, 409805), (395, 327844), (790, 163922), (869, 149020), (1580, 81961), (1738, 74510), (3476, 37255), (4345, 29804), (7451, 17380), (8690, 14902)]