201408025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{397}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 309535744

約数和(自身を除く): 108127719

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 223, 325, 397, 455, 1115, 1561, 1985, 2275, 2779, 2899, 5161, 5575, 7805, 9925, 13895, 14495, 20293, 25805, 36127, 39025, 69475, 72475, 88531, 101465, 129025, 180635, 442655, 507325, 619717, 903175, 1150903, 2213275, 3098585, 5754515, 8056321, 15492925, 28772575, 40281605, 201408025]

約数ペア:

[(1, 201408025), (5, 40281605), (7, 28772575), (13, 15492925), (25, 8056321), (35, 5754515), (65, 3098585), (91, 2213275), (175, 1150903), (223, 903175), (325, 619717), (397, 507325), (455, 442655), (1115, 180635), (1561, 129025), (1985, 101465), (2275, 88531), (2779, 72475), (2899, 69475), (5161, 39025), (5575, 36127), (7805, 25805), (9925, 20293), (13895, 14495)]