217996960

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43951}}^1$

素因数の和:43997

約数の個数: 48

約数和(自身を含む): 531643392

約数和(自身を除く): 313646432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 43951, 87902, 175804, 219755, 351608, 439510, 703216, 879020, 1362481, 1406432, 1758040, 2724962, 3516080, 5449924, 6812405, 7032160, 10899848, 13624810, 21799696, 27249620, 43599392, 54499240, 108998480, 217996960]

約数ペア:

[(1, 217996960), (2, 108998480), (4, 54499240), (5, 43599392), (8, 27249620), (10, 21799696), (16, 13624810), (20, 10899848), (31, 7032160), (32, 6812405), (40, 5449924), (62, 3516080), (80, 2724962), (124, 1758040), (155, 1406432), (160, 1362481), (248, 879020), (310, 703216), (496, 439510), (620, 351608), (992, 219755), (1240, 175804), (2480, 87902), (4960, 43951)]