159449620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{4049}}^1$

素因数の和:4248

約数の個数: 48

約数和(自身を含む): 367416000

約数和(自身を除く): 207966380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 179, 220, 358, 716, 895, 1790, 1969, 3580, 3938, 4049, 7876, 8098, 9845, 16196, 19690, 20245, 39380, 40490, 44539, 80980, 89078, 178156, 222695, 445390, 724771, 890780, 1449542, 2899084, 3623855, 7247710, 7972481, 14495420, 15944962, 31889924, 39862405, 79724810, 159449620]

約数ペア:

[(1, 159449620), (2, 79724810), (4, 39862405), (5, 31889924), (10, 15944962), (11, 14495420), (20, 7972481), (22, 7247710), (44, 3623855), (55, 2899084), (110, 1449542), (179, 890780), (220, 724771), (358, 445390), (716, 222695), (895, 178156), (1790, 89078), (1969, 80980), (3580, 44539), (3938, 40490), (4049, 39380), (7876, 20245), (8098, 19690), (9845, 16196)]