321353620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53381}}^1$

素因数の和:53440

約数の個数: 48

約数和(自身を含む): 789199488

約数和(自身を除く): 467845868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 53381, 106762, 213524, 266905, 373667, 533810, 747334, 1067620, 1494668, 1868335, 2295383, 3736670, 4590766, 7473340, 9181532, 11476915, 16067681, 22953830, 32135362, 45907660, 64270724, 80338405, 160676810, 321353620]

約数ペア:

[(1, 321353620), (2, 160676810), (4, 80338405), (5, 64270724), (7, 45907660), (10, 32135362), (14, 22953830), (20, 16067681), (28, 11476915), (35, 9181532), (43, 7473340), (70, 4590766), (86, 3736670), (140, 2295383), (172, 1868335), (215, 1494668), (301, 1067620), (430, 747334), (602, 533810), (860, 373667), (1204, 266905), (1505, 213524), (3010, 106762), (6020, 53381)]