217001260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1249}}^1$

素因数の和:1355

約数の個数: 96

約数和(自身を含む): 559440000

約数和(自身を除く): 342438740

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 73, 85, 119, 140, 146, 170, 238, 292, 340, 365, 476, 511, 595, 730, 1022, 1190, 1241, 1249, 1460, 2044, 2380, 2482, 2498, 2555, 4964, 4996, 5110, 6205, 6245, 8687, 8743, 10220, 12410, 12490, 17374, 17486, 21233, 24820, 24980, 34748, 34972, 42466, 43435, 43715, 84932, 86870, 87430, 91177, 106165, 148631, 173740, 174860, 182354, 212330, 297262, 364708, 424660, 455885, 594524, 638239, 743155, 911770, 1276478, 1486310, 1550009, 1823540, 2552956, 2972620, 3100018, 3191195, 6200036, 6382390, 7750045, 10850063, 12764780, 15500090, 21700126, 31000180, 43400252, 54250315, 108500630, 217001260]

約数ペア:

[(1, 217001260), (2, 108500630), (4, 54250315), (5, 43400252), (7, 31000180), (10, 21700126), (14, 15500090), (17, 12764780), (20, 10850063), (28, 7750045), (34, 6382390), (35, 6200036), (68, 3191195), (70, 3100018), (73, 2972620), (85, 2552956), (119, 1823540), (140, 1550009), (146, 1486310), (170, 1276478), (238, 911770), (292, 743155), (340, 638239), (365, 594524), (476, 455885), (511, 424660), (595, 364708), (730, 297262), (1022, 212330), (1190, 182354), (1241, 174860), (1249, 173740), (1460, 148631), (2044, 106165), (2380, 91177), (2482, 87430), (2498, 86870), (2555, 84932), (4964, 43715), (4996, 43435), (5110, 42466), (6205, 34972), (6245, 34748), (8687, 24980), (8743, 24820), (10220, 21233), (12410, 17486), (12490, 17374)]