631526420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{145513}}^1$

素因数の和:145560

約数の個数: 48

約数和(自身を含む): 1564566528

約数和(自身を除く): 933040108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 145513, 291026, 582052, 727565, 1018591, 1455130, 2037182, 2910260, 4074364, 4510903, 5092955, 9021806, 10185910, 18043612, 20371820, 22554515, 31576321, 45109030, 63152642, 90218060, 126305284, 157881605, 315763210, 631526420]

約数ペア:

[(1, 631526420), (2, 315763210), (4, 157881605), (5, 126305284), (7, 90218060), (10, 63152642), (14, 45109030), (20, 31576321), (28, 22554515), (31, 20371820), (35, 18043612), (62, 10185910), (70, 9021806), (124, 5092955), (140, 4510903), (155, 4074364), (217, 2910260), (310, 2037182), (434, 1455130), (620, 1018591), (868, 727565), (1085, 582052), (2170, 291026), (4340, 145513)]