565559420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^2\times {\mathrm{197}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 1261570464

約数和(自身を除く): 696011044

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 197, 230, 316, 394, 395, 460, 788, 790, 985, 1580, 1817, 1970, 3634, 3940, 4531, 6241, 7268, 9062, 9085, 12482, 15563, 18124, 18170, 22655, 24964, 31126, 31205, 36340, 45310, 62252, 62410, 77815, 90620, 124820, 143543, 155630, 287086, 311260, 357949, 574172, 715898, 717715, 1229477, 1431796, 1435430, 1789745, 2458954, 2870860, 3579490, 4917908, 6147385, 7158980, 12294770, 24589540, 28277971, 56555942, 113111884, 141389855, 282779710, 565559420]

約数ペア:

[(1, 565559420), (2, 282779710), (4, 141389855), (5, 113111884), (10, 56555942), (20, 28277971), (23, 24589540), (46, 12294770), (79, 7158980), (92, 6147385), (115, 4917908), (158, 3579490), (197, 2870860), (230, 2458954), (316, 1789745), (394, 1435430), (395, 1431796), (460, 1229477), (788, 717715), (790, 715898), (985, 574172), (1580, 357949), (1817, 311260), (1970, 287086), (3634, 155630), (3940, 143543), (4531, 124820), (6241, 90620), (7268, 77815), (9062, 62410), (9085, 62252), (12482, 45310), (15563, 36340), (18124, 31205), (18170, 31126), (22655, 24964)]