9981380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{947}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 22934016

約数和(自身を除く): 12952636

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 310, 340, 527, 620, 947, 1054, 1894, 2108, 2635, 3788, 4735, 5270, 9470, 10540, 16099, 18940, 29357, 32198, 58714, 64396, 80495, 117428, 146785, 160990, 293570, 321980, 499069, 587140, 998138, 1996276, 2495345, 4990690, 9981380]

約数ペア:

[(1, 9981380), (2, 4990690), (4, 2495345), (5, 1996276), (10, 998138), (17, 587140), (20, 499069), (31, 321980), (34, 293570), (62, 160990), (68, 146785), (85, 117428), (124, 80495), (155, 64396), (170, 58714), (310, 32198), (340, 29357), (527, 18940), (620, 16099), (947, 10540), (1054, 9470), (1894, 5270), (2108, 4735), (2635, 3788)]