881423930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{8147}}^1$

素因数の和:8534

約数の個数: 32

約数和(自身を含む): 1642636800

約数和(自身を除く): 761212870

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 349, 698, 1745, 3490, 8147, 10819, 16294, 21638, 40735, 54095, 81470, 108190, 252557, 505114, 1262785, 2525570, 2843303, 5686606, 14216515, 28433030, 88142393, 176284786, 440711965, 881423930]

約数ペア:

[(1, 881423930), (2, 440711965), (5, 176284786), (10, 88142393), (31, 28433030), (62, 14216515), (155, 5686606), (310, 2843303), (349, 2525570), (698, 1262785), (1745, 505114), (3490, 252557), (8147, 108190), (10819, 81470), (16294, 54095), (21638, 40735)]