173801980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{6529}}^1$

素因数の和:6571

約数の個数: 48

約数和(自身を含む): 401516640

約数和(自身を除く): 227714660

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 1331, 2420, 2662, 5324, 6529, 6655, 13058, 13310, 26116, 26620, 32645, 65290, 71819, 130580, 143638, 287276, 359095, 718190, 790009, 1436380, 1580018, 3160036, 3950045, 7900090, 8690099, 15800180, 17380198, 34760396, 43450495, 86900990, 173801980]

約数ペア:

[(1, 173801980), (2, 86900990), (4, 43450495), (5, 34760396), (10, 17380198), (11, 15800180), (20, 8690099), (22, 7900090), (44, 3950045), (55, 3160036), (110, 1580018), (121, 1436380), (220, 790009), (242, 718190), (484, 359095), (605, 287276), (1210, 143638), (1331, 130580), (2420, 71819), (2662, 65290), (5324, 32645), (6529, 26620), (6655, 26116), (13058, 13310)]