72900220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{383}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 158957568

約数和(自身を除く): 86057348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 307, 310, 383, 614, 620, 766, 1228, 1532, 1535, 1915, 3070, 3830, 6140, 7660, 9517, 11873, 19034, 23746, 38068, 47492, 47585, 59365, 95170, 117581, 118730, 190340, 235162, 237460, 470324, 587905, 1175810, 2351620, 3645011, 7290022, 14580044, 18225055, 36450110, 72900220]

約数ペア:

[(1, 72900220), (2, 36450110), (4, 18225055), (5, 14580044), (10, 7290022), (20, 3645011), (31, 2351620), (62, 1175810), (124, 587905), (155, 470324), (307, 237460), (310, 235162), (383, 190340), (614, 118730), (620, 117581), (766, 95170), (1228, 59365), (1532, 47585), (1535, 47492), (1915, 38068), (3070, 23746), (3830, 19034), (6140, 11873), (7660, 9517)]