827452820

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1\times {\mathrm{881}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 1756774656

約数和(自身を除く): 929321836

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 311, 604, 622, 755, 881, 1244, 1510, 1555, 1762, 3020, 3110, 3524, 4405, 6220, 8810, 17620, 46961, 93922, 133031, 187844, 234805, 266062, 273991, 469610, 532124, 547982, 665155, 939220, 1095964, 1330310, 1369955, 2660620, 2739910, 5479820, 41372641, 82745282, 165490564, 206863205, 413726410, 827452820]

約数ペア:

[(1, 827452820), (2, 413726410), (4, 206863205), (5, 165490564), (10, 82745282), (20, 41372641), (151, 5479820), (302, 2739910), (311, 2660620), (604, 1369955), (622, 1330310), (755, 1095964), (881, 939220), (1244, 665155), (1510, 547982), (1555, 532124), (1762, 469610), (3020, 273991), (3110, 266062), (3524, 234805), (4405, 187844), (6220, 133031), (8810, 93922), (17620, 46961)]