920676890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^4\times {\mathrm{47}}^1$

素因数の和:153

約数の個数: 80

約数和(自身を含む): 2022181632

約数和(自身を除く): 1101504742

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 47, 70, 94, 115, 161, 230, 235, 322, 329, 470, 529, 658, 805, 1058, 1081, 1610, 1645, 2162, 2645, 3290, 3703, 5290, 5405, 7406, 7567, 10810, 12167, 15134, 18515, 24334, 24863, 37030, 37835, 49726, 60835, 75670, 85169, 121670, 124315, 170338, 174041, 248630, 279841, 348082, 425845, 559682, 571849, 851690, 870205, 1143698, 1399205, 1740410, 1958887, 2798410, 2859245, 3917774, 4002943, 5718490, 8005886, 9794435, 13152527, 19588870, 20014715, 26305054, 40029430, 65762635, 92067689, 131525270, 184135378, 460338445, 920676890]

約数ペア:

[(1, 920676890), (2, 460338445), (5, 184135378), (7, 131525270), (10, 92067689), (14, 65762635), (23, 40029430), (35, 26305054), (46, 20014715), (47, 19588870), (70, 13152527), (94, 9794435), (115, 8005886), (161, 5718490), (230, 4002943), (235, 3917774), (322, 2859245), (329, 2798410), (470, 1958887), (529, 1740410), (658, 1399205), (805, 1143698), (1058, 870205), (1081, 851690), (1610, 571849), (1645, 559682), (2162, 425845), (2645, 348082), (3290, 279841), (3703, 248630), (5290, 174041), (5405, 170338), (7406, 124315), (7567, 121670), (10810, 85169), (12167, 75670), (15134, 60835), (18515, 49726), (24334, 37835), (24863, 37030)]