71502760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{191}}^2$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 188132490

約数和(自身を除く): 116629730

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 191, 196, 245, 280, 382, 392, 490, 764, 955, 980, 1337, 1528, 1910, 1960, 2674, 3820, 5348, 6685, 7640, 9359, 10696, 13370, 18718, 26740, 36481, 37436, 46795, 53480, 72962, 74872, 93590, 145924, 182405, 187180, 255367, 291848, 364810, 374360, 510734, 729620, 1021468, 1276835, 1459240, 1787569, 2042936, 2553670, 3575138, 5107340, 7150276, 8937845, 10214680, 14300552, 17875690, 35751380, 71502760]

約数ペア:

[(1, 71502760), (2, 35751380), (4, 17875690), (5, 14300552), (7, 10214680), (8, 8937845), (10, 7150276), (14, 5107340), (20, 3575138), (28, 2553670), (35, 2042936), (40, 1787569), (49, 1459240), (56, 1276835), (70, 1021468), (98, 729620), (140, 510734), (191, 374360), (196, 364810), (245, 291848), (280, 255367), (382, 187180), (392, 182405), (490, 145924), (764, 93590), (955, 74872), (980, 72962), (1337, 53480), (1528, 46795), (1910, 37436), (1960, 36481), (2674, 26740), (3820, 18718), (5348, 13370), (6685, 10696), (7640, 9359)]