208478760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{248189}}^1$

素因数の和:248210

約数の個数: 64

約数和(自身を含む): 714787200

約数和(自身を除く): 506308440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 248189, 496378, 744567, 992756, 1240945, 1489134, 1737323, 1985512, 2481890, 2978268, 3474646, 3722835, 4963780, 5211969, 5956536, 6949292, 7445670, 8686615, 9927560, 10423938, 13898584, 14891340, 17373230, 20847876, 26059845, 29782680, 34746460, 41695752, 52119690, 69492920, 104239380, 208478760]

約数ペア:

[(1, 208478760), (2, 104239380), (3, 69492920), (4, 52119690), (5, 41695752), (6, 34746460), (7, 29782680), (8, 26059845), (10, 20847876), (12, 17373230), (14, 14891340), (15, 13898584), (20, 10423938), (21, 9927560), (24, 8686615), (28, 7445670), (30, 6949292), (35, 5956536), (40, 5211969), (42, 4963780), (56, 3722835), (60, 3474646), (70, 2978268), (84, 2481890), (105, 1985512), (120, 1737323), (140, 1489134), (168, 1240945), (210, 992756), (280, 744567), (420, 496378), (840, 248189)]