208411440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{868381}}^1$

素因数の和:868397

約数の個数: 40

約数和(自身を含む): 646076208

約数和(自身を除く): 437664768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 868381, 1736762, 2605143, 3473524, 4341905, 5210286, 6947048, 8683810, 10420572, 13025715, 13894096, 17367620, 20841144, 26051430, 34735240, 41682288, 52102860, 69470480, 104205720, 208411440]

約数ペア:

[(1, 208411440), (2, 104205720), (3, 69470480), (4, 52102860), (5, 41682288), (6, 34735240), (8, 26051430), (10, 20841144), (12, 17367620), (15, 13894096), (16, 13025715), (20, 10420572), (24, 8683810), (30, 6947048), (40, 5210286), (48, 4341905), (60, 3473524), (80, 2605143), (120, 1736762), (240, 868381)]