72656890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{1259}}^1$

素因数の和:1494

約数の個数: 32

約数和(自身を含む): 136080000

約数和(自身を除く): 63423110

約数列:

[1, 2, 5, 10, 29, 58, 145, 199, 290, 398, 995, 1259, 1990, 2518, 5771, 6295, 11542, 12590, 28855, 36511, 57710, 73022, 182555, 250541, 365110, 501082, 1252705, 2505410, 7265689, 14531378, 36328445, 72656890]

約数ペア:

[(1, 72656890), (2, 36328445), (5, 14531378), (10, 7265689), (29, 2505410), (58, 1252705), (145, 501082), (199, 365110), (290, 250541), (398, 182555), (995, 73022), (1259, 57710), (1990, 36511), (2518, 28855), (5771, 12590), (6295, 11542)]