149166740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1439}}^1$

素因数の和:1592

約数の個数: 48

約数和(自身を含む): 322237440

約数和(自身を除く): 173070700

約数列:

[1, 2, 4, 5, 10, 20, 71, 73, 142, 146, 284, 292, 355, 365, 710, 730, 1420, 1439, 1460, 2878, 5183, 5756, 7195, 10366, 14390, 20732, 25915, 28780, 51830, 102169, 103660, 105047, 204338, 210094, 408676, 420188, 510845, 525235, 1021690, 1050470, 2043380, 2100940, 7458337, 14916674, 29833348, 37291685, 74583370, 149166740]

約数ペア:

[(1, 149166740), (2, 74583370), (4, 37291685), (5, 29833348), (10, 14916674), (20, 7458337), (71, 2100940), (73, 2043380), (142, 1050470), (146, 1021690), (284, 525235), (292, 510845), (355, 420188), (365, 408676), (710, 210094), (730, 204338), (1420, 105047), (1439, 103660), (1460, 102169), (2878, 51830), (5183, 28780), (5756, 25915), (7195, 20732), (10366, 14390)]