897156760

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{20903}}^1$

素因数の和:20980

約数の個数: 64

約数和(自身を含む): 2144750400

約数和(自身を除く): 1247593640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 37, 40, 58, 74, 116, 145, 148, 185, 232, 290, 296, 370, 580, 740, 1073, 1160, 1480, 2146, 4292, 5365, 8584, 10730, 20903, 21460, 41806, 42920, 83612, 104515, 167224, 209030, 418060, 606187, 773411, 836120, 1212374, 1546822, 2424748, 3030935, 3093644, 3867055, 4849496, 6061870, 6187288, 7734110, 12123740, 15468220, 22428919, 24247480, 30936440, 44857838, 89715676, 112144595, 179431352, 224289190, 448578380, 897156760]

約数ペア:

[(1, 897156760), (2, 448578380), (4, 224289190), (5, 179431352), (8, 112144595), (10, 89715676), (20, 44857838), (29, 30936440), (37, 24247480), (40, 22428919), (58, 15468220), (74, 12123740), (116, 7734110), (145, 6187288), (148, 6061870), (185, 4849496), (232, 3867055), (290, 3093644), (296, 3030935), (370, 2424748), (580, 1546822), (740, 1212374), (1073, 836120), (1160, 773411), (1480, 606187), (2146, 418060), (4292, 209030), (5365, 167224), (8584, 104515), (10730, 83612), (20903, 42920), (21460, 41806)]