398157680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{6229}}^1$

素因数の和:6306

約数の個数: 80

約数和(自身を含む): 1001185920

約数和(自身を除く): 603028240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 340, 376, 470, 680, 752, 799, 940, 1360, 1598, 1880, 3196, 3760, 3995, 6229, 6392, 7990, 12458, 12784, 15980, 24916, 31145, 31960, 49832, 62290, 63920, 99664, 105893, 124580, 211786, 249160, 292763, 423572, 498320, 529465, 585526, 847144, 1058930, 1171052, 1463815, 1694288, 2117860, 2342104, 2927630, 4235720, 4684208, 4976971, 5855260, 8471440, 9953942, 11710520, 19907884, 23421040, 24884855, 39815768, 49769710, 79631536, 99539420, 199078840, 398157680]

約数ペア:

[(1, 398157680), (2, 199078840), (4, 99539420), (5, 79631536), (8, 49769710), (10, 39815768), (16, 24884855), (17, 23421040), (20, 19907884), (34, 11710520), (40, 9953942), (47, 8471440), (68, 5855260), (80, 4976971), (85, 4684208), (94, 4235720), (136, 2927630), (170, 2342104), (188, 2117860), (235, 1694288), (272, 1463815), (340, 1171052), (376, 1058930), (470, 847144), (680, 585526), (752, 529465), (799, 498320), (940, 423572), (1360, 292763), (1598, 249160), (1880, 211786), (3196, 124580), (3760, 105893), (3995, 99664), (6229, 63920), (6392, 62290), (7990, 49832), (12458, 31960), (12784, 31145), (15980, 24916)]