158861890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:379

約数の個数: 64

約数和(自身を含む): 320785920

約数和(自身を除く): 161924030

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 101, 110, 158, 181, 202, 362, 395, 505, 790, 869, 905, 1010, 1111, 1738, 1810, 1991, 2222, 3982, 4345, 5555, 7979, 8690, 9955, 11110, 14299, 15958, 18281, 19910, 28598, 36562, 39895, 71495, 79790, 87769, 91405, 142990, 157289, 175538, 182810, 201091, 314578, 402182, 438845, 786445, 877690, 1005455, 1444199, 1572890, 2010910, 2888398, 7220995, 14441990, 15886189, 31772378, 79430945, 158861890]

約数ペア:

[(1, 158861890), (2, 79430945), (5, 31772378), (10, 15886189), (11, 14441990), (22, 7220995), (55, 2888398), (79, 2010910), (101, 1572890), (110, 1444199), (158, 1005455), (181, 877690), (202, 786445), (362, 438845), (395, 402182), (505, 314578), (790, 201091), (869, 182810), (905, 175538), (1010, 157289), (1111, 142990), (1738, 91405), (1810, 87769), (1991, 79790), (2222, 71495), (3982, 39895), (4345, 36562), (5555, 28598), (7979, 19910), (8690, 18281), (9955, 15958), (11110, 14299)]