1566789620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{90149}}^1$

素因数の和:90248

約数の個数: 48

約数和(自身を含む): 3634848000

約数和(自身を除く): 2068058380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 3476, 4345, 8690, 17380, 90149, 180298, 360596, 450745, 901490, 991639, 1802980, 1983278, 3966556, 4958195, 7121771, 9916390, 14243542, 19832780, 28487084, 35608855, 71217710, 78339481, 142435420, 156678962, 313357924, 391697405, 783394810, 1566789620]

約数ペア:

[(1, 1566789620), (2, 783394810), (4, 391697405), (5, 313357924), (10, 156678962), (11, 142435420), (20, 78339481), (22, 71217710), (44, 35608855), (55, 28487084), (79, 19832780), (110, 14243542), (158, 9916390), (220, 7121771), (316, 4958195), (395, 3966556), (790, 1983278), (869, 1802980), (1580, 991639), (1738, 901490), (3476, 450745), (4345, 360596), (8690, 180298), (17380, 90149)]