154916440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{79039}}^1$

素因数の和:79064

約数の個数: 48

約数和(自身を含む): 405475200

約数和(自身を除く): 250558760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 79039, 158078, 316156, 395195, 553273, 632312, 790390, 1106546, 1580780, 2213092, 2766365, 3161560, 3872911, 4426184, 5532730, 7745822, 11065460, 15491644, 19364555, 22130920, 30983288, 38729110, 77458220, 154916440]

約数ペア:

[(1, 154916440), (2, 77458220), (4, 38729110), (5, 30983288), (7, 22130920), (8, 19364555), (10, 15491644), (14, 11065460), (20, 7745822), (28, 5532730), (35, 4426184), (40, 3872911), (49, 3161560), (56, 2766365), (70, 2213092), (98, 1580780), (140, 1106546), (196, 790390), (245, 632312), (280, 553273), (392, 395195), (490, 316156), (980, 158078), (1960, 79039)]