407843120

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{46771}}^1$

素因数の和:46893

約数の個数: 40

約数和(自身を含む): 956955120

約数和(自身を除く): 549112000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 46771, 93542, 187084, 233855, 374168, 467710, 748336, 935420, 1870840, 3741680, 5098039, 10196078, 20392156, 25490195, 40784312, 50980390, 81568624, 101960780, 203921560, 407843120]

約数ペア:

[(1, 407843120), (2, 203921560), (4, 101960780), (5, 81568624), (8, 50980390), (10, 40784312), (16, 25490195), (20, 20392156), (40, 10196078), (80, 5098039), (109, 3741680), (218, 1870840), (436, 935420), (545, 748336), (872, 467710), (1090, 374168), (1744, 233855), (2180, 187084), (4360, 93542), (8720, 46771)]