2018682425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 2716701120

約数和(自身を除く): 698018695

約数列:

[1, 5, 17, 25, 83, 85, 89, 415, 425, 445, 643, 1411, 1513, 2075, 2225, 3215, 7055, 7387, 7565, 10931, 16075, 35275, 36935, 37825, 53369, 54655, 57227, 125579, 184675, 266845, 273275, 286135, 627895, 907273, 972859, 1334225, 1430675, 3139475, 4536365, 4749841, 4864295, 22681825, 23749205, 24321475, 80747297, 118746025, 403736485, 2018682425]

約数ペア:

[(1, 2018682425), (5, 403736485), (17, 118746025), (25, 80747297), (83, 24321475), (85, 23749205), (89, 22681825), (415, 4864295), (425, 4749841), (445, 4536365), (643, 3139475), (1411, 1430675), (1513, 1334225), (2075, 972859), (2225, 907273), (3215, 627895), (7055, 286135), (7387, 273275), (7565, 266845), (10931, 184675), (16075, 125579), (35275, 57227), (36935, 54655), (37825, 53369)]