144931780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1987}}^1$

素因数の和:2524

約数の個数: 48

約数和(自身を含む): 348679296

約数和(自身を除く): 203747516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 521, 1042, 1987, 2084, 2605, 3647, 3974, 5210, 7294, 7948, 9935, 10420, 13909, 14588, 18235, 19870, 27818, 36470, 39740, 55636, 69545, 72940, 139090, 278180, 1035227, 2070454, 4140908, 5176135, 7246589, 10352270, 14493178, 20704540, 28986356, 36232945, 72465890, 144931780]

約数ペア:

[(1, 144931780), (2, 72465890), (4, 36232945), (5, 28986356), (7, 20704540), (10, 14493178), (14, 10352270), (20, 7246589), (28, 5176135), (35, 4140908), (70, 2070454), (140, 1035227), (521, 278180), (1042, 139090), (1987, 72940), (2084, 69545), (2605, 55636), (3647, 39740), (3974, 36470), (5210, 27818), (7294, 19870), (7948, 18235), (9935, 14588), (10420, 13909)]