397448560

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{33343}}^1$

素因数の和:33505

約数の個数: 40

約数和(自身を含む): 930297600

約数和(自身を除く): 532849040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 11920, 33343, 66686, 133372, 166715, 266744, 333430, 533488, 666860, 1333720, 2667440, 4968107, 9936214, 19872428, 24840535, 39744856, 49681070, 79489712, 99362140, 198724280, 397448560]

約数ペア:

[(1, 397448560), (2, 198724280), (4, 99362140), (5, 79489712), (8, 49681070), (10, 39744856), (16, 24840535), (20, 19872428), (40, 9936214), (80, 4968107), (149, 2667440), (298, 1333720), (596, 666860), (745, 533488), (1192, 333430), (1490, 266744), (2384, 166715), (2980, 133372), (5960, 66686), (11920, 33343)]