281941280

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{56843}}^1$

素因数の和:56889

約数の個数: 48

約数和(自身を含む): 687585024

約数和(自身を除く): 405643744

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, 56843, 113686, 227372, 284215, 454744, 568430, 909488, 1136860, 1762133, 1818976, 2273720, 3524266, 4547440, 7048532, 8810665, 9094880, 14097064, 17621330, 28194128, 35242660, 56388256, 70485320, 140970640, 281941280]

約数ペア:

[(1, 281941280), (2, 140970640), (4, 70485320), (5, 56388256), (8, 35242660), (10, 28194128), (16, 17621330), (20, 14097064), (31, 9094880), (32, 8810665), (40, 7048532), (62, 4547440), (80, 3524266), (124, 2273720), (155, 1818976), (160, 1762133), (248, 1136860), (310, 909488), (496, 568430), (620, 454744), (992, 284215), (1240, 227372), (2480, 113686), (4960, 56843)]