71966980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{743}}^1$

素因数の和:948

約数の個数: 48

約数和(自身を含む): 157489920

約数和(自身を除く): 85522940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 167, 290, 334, 580, 668, 743, 835, 1486, 1670, 2972, 3340, 3715, 4843, 7430, 9686, 14860, 19372, 21547, 24215, 43094, 48430, 86188, 96860, 107735, 124081, 215470, 248162, 430940, 496324, 620405, 1240810, 2481620, 3598349, 7196698, 14393396, 17991745, 35983490, 71966980]

約数ペア:

[(1, 71966980), (2, 35983490), (4, 17991745), (5, 14393396), (10, 7196698), (20, 3598349), (29, 2481620), (58, 1240810), (116, 620405), (145, 496324), (167, 430940), (290, 248162), (334, 215470), (580, 124081), (668, 107735), (743, 96860), (835, 86188), (1486, 48430), (1670, 43094), (2972, 24215), (3340, 21547), (3715, 19372), (4843, 14860), (7430, 9686)]