31415150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2843}}^1$

素因数の和:2885

約数の個数: 48

約数和(自身を含む): 66651984

約数和(自身を除く): 35236834

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 2210, 2843, 5525, 5686, 11050, 14215, 28430, 36959, 48331, 71075, 73918, 96662, 142150, 184795, 241655, 369590, 483310, 628303, 923975, 1208275, 1256606, 1847950, 2416550, 3141515, 6283030, 15707575, 31415150]

約数ペア:

[(1, 31415150), (2, 15707575), (5, 6283030), (10, 3141515), (13, 2416550), (17, 1847950), (25, 1256606), (26, 1208275), (34, 923975), (50, 628303), (65, 483310), (85, 369590), (130, 241655), (170, 184795), (221, 142150), (325, 96662), (425, 73918), (442, 71075), (650, 48331), (850, 36959), (1105, 28430), (2210, 14215), (2843, 11050), (5525, 5686)]