9997803860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{278801}}^1$

素因数の和:278984

約数の個数: 48

約数和(自身を含む): 23044658112

約数和(自身を除く): 13046854252

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 163, 220, 326, 652, 815, 1630, 1793, 3260, 3586, 7172, 8965, 17930, 35860, 278801, 557602, 1115204, 1394005, 2788010, 3066811, 5576020, 6133622, 12267244, 15334055, 30668110, 45444563, 61336220, 90889126, 181778252, 227222815, 454445630, 499890193, 908891260, 999780386, 1999560772, 2499450965, 4998901930, 9997803860]

約数ペア:

[(1, 9997803860), (2, 4998901930), (4, 2499450965), (5, 1999560772), (10, 999780386), (11, 908891260), (20, 499890193), (22, 454445630), (44, 227222815), (55, 181778252), (110, 90889126), (163, 61336220), (220, 45444563), (326, 30668110), (652, 15334055), (815, 12267244), (1630, 6133622), (1793, 5576020), (3260, 3066811), (3586, 2788010), (7172, 1394005), (8965, 1115204), (17930, 557602), (35860, 278801)]