213991400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{152851}}^1$

素因数の和:152874

約数の個数: 48

約数和(自身を含む): 568609440

約数和(自身を除く): 354618040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 152851, 305702, 611404, 764255, 1069957, 1222808, 1528510, 2139914, 3057020, 3821275, 4279828, 5349785, 6114040, 7642550, 8559656, 10699570, 15285100, 21399140, 26748925, 30570200, 42798280, 53497850, 106995700, 213991400]

約数ペア:

[(1, 213991400), (2, 106995700), (4, 53497850), (5, 42798280), (7, 30570200), (8, 26748925), (10, 21399140), (14, 15285100), (20, 10699570), (25, 8559656), (28, 7642550), (35, 6114040), (40, 5349785), (50, 4279828), (56, 3821275), (70, 3057020), (100, 2139914), (140, 1528510), (175, 1222808), (200, 1069957), (280, 764255), (350, 611404), (700, 305702), (1400, 152851)]