627888980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{4483}}^1$

素因数の和:4688

約数の個数: 48

約数和(自身を含む): 1355961600

約数和(自身を除く): 728072620

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 149, 188, 235, 298, 470, 596, 745, 940, 1490, 2980, 4483, 7003, 8966, 14006, 17932, 22415, 28012, 35015, 44830, 70030, 89660, 140060, 210701, 421402, 667967, 842804, 1053505, 1335934, 2107010, 2671868, 3339835, 4214020, 6679670, 13359340, 31394449, 62788898, 125577796, 156972245, 313944490, 627888980]

約数ペア:

[(1, 627888980), (2, 313944490), (4, 156972245), (5, 125577796), (10, 62788898), (20, 31394449), (47, 13359340), (94, 6679670), (149, 4214020), (188, 3339835), (235, 2671868), (298, 2107010), (470, 1335934), (596, 1053505), (745, 842804), (940, 667967), (1490, 421402), (2980, 210701), (4483, 140060), (7003, 89660), (8966, 70030), (14006, 44830), (17932, 35015), (22415, 28012)]