208399440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{868331}}^1$

素因数の和:868347

約数の個数: 40

約数和(自身を含む): 646039008

約数和(自身を除く): 437639568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 868331, 1736662, 2604993, 3473324, 4341655, 5209986, 6946648, 8683310, 10419972, 13024965, 13893296, 17366620, 20839944, 26049930, 34733240, 41679888, 52099860, 69466480, 104199720, 208399440]

約数ペア:

[(1, 208399440), (2, 104199720), (3, 69466480), (4, 52099860), (5, 41679888), (6, 34733240), (8, 26049930), (10, 20839944), (12, 17366620), (15, 13893296), (16, 13024965), (20, 10419972), (24, 8683310), (30, 6946648), (40, 5209986), (48, 4341655), (60, 3473324), (80, 2604993), (120, 1736662), (240, 868331)]