971883740

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1\times {\mathrm{2543}}^1$

素因数の和:2846

約数の個数: 48

約数和(自身を含む): 2073278592

約数和(自身を除く): 1101394852

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 197, 388, 394, 485, 788, 970, 985, 1940, 1970, 2543, 3940, 5086, 10172, 12715, 19109, 25430, 38218, 50860, 76436, 95545, 191090, 246671, 382180, 493342, 500971, 986684, 1001942, 1233355, 2003884, 2466710, 2504855, 4933420, 5009710, 10019420, 48594187, 97188374, 194376748, 242970935, 485941870, 971883740]

約数ペア:

[(1, 971883740), (2, 485941870), (4, 242970935), (5, 194376748), (10, 97188374), (20, 48594187), (97, 10019420), (194, 5009710), (197, 4933420), (388, 2504855), (394, 2466710), (485, 2003884), (788, 1233355), (970, 1001942), (985, 986684), (1940, 500971), (1970, 493342), (2543, 382180), (3940, 246671), (5086, 191090), (10172, 95545), (12715, 76436), (19109, 50860), (25430, 38218)]