620071790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{349}}^1$

素因数の和:621

約数の個数: 64

約数和(自身を含む): 1227744000

約数和(自身を除く): 607672210

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 173, 346, 349, 395, 698, 790, 865, 1027, 1730, 1745, 2054, 2249, 3490, 4498, 4537, 5135, 9074, 10270, 11245, 13667, 22490, 22685, 27334, 27571, 45370, 55142, 60377, 68335, 120754, 136670, 137855, 177671, 275710, 301885, 355342, 358423, 603770, 716846, 784901, 888355, 1569802, 1776710, 1792115, 3584230, 3924505, 4769783, 7849010, 9539566, 23848915, 47697830, 62007179, 124014358, 310035895, 620071790]

約数ペア:

[(1, 620071790), (2, 310035895), (5, 124014358), (10, 62007179), (13, 47697830), (26, 23848915), (65, 9539566), (79, 7849010), (130, 4769783), (158, 3924505), (173, 3584230), (346, 1792115), (349, 1776710), (395, 1569802), (698, 888355), (790, 784901), (865, 716846), (1027, 603770), (1730, 358423), (1745, 355342), (2054, 301885), (2249, 275710), (3490, 177671), (4498, 137855), (4537, 136670), (5135, 120754), (9074, 68335), (10270, 60377), (11245, 55142), (13667, 45370), (22490, 27571), (22685, 27334)]