155536420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{2503}}^1$

素因数の和:2764

約数の個数: 48

約数和(自身を含む): 353364480

約数和(自身を除く): 197828060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 239, 260, 478, 956, 1195, 2390, 2503, 3107, 4780, 5006, 6214, 10012, 12428, 12515, 15535, 25030, 31070, 32539, 50060, 62140, 65078, 130156, 162695, 325390, 598217, 650780, 1196434, 2392868, 2991085, 5982170, 7776821, 11964340, 15553642, 31107284, 38884105, 77768210, 155536420]

約数ペア:

[(1, 155536420), (2, 77768210), (4, 38884105), (5, 31107284), (10, 15553642), (13, 11964340), (20, 7776821), (26, 5982170), (52, 2991085), (65, 2392868), (130, 1196434), (239, 650780), (260, 598217), (478, 325390), (956, 162695), (1195, 130156), (2390, 65078), (2503, 62140), (3107, 50060), (4780, 32539), (5006, 31070), (6214, 25030), (10012, 15535), (12428, 12515)]