489289240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{65413}}^1$

素因数の和:65452

約数の個数: 64

約数和(自身を含む): 1271648160

約数和(自身を除く): 782358920

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 65413, 130826, 261652, 327065, 523304, 654130, 719543, 1112021, 1308260, 1439086, 2224042, 2616520, 2878172, 3597715, 4448084, 5560105, 5756344, 7195430, 8896168, 11120210, 12232231, 14390860, 22240420, 24464462, 28781720, 44480840, 48928924, 61161155, 97857848, 122322310, 244644620, 489289240]

約数ペア:

[(1, 489289240), (2, 244644620), (4, 122322310), (5, 97857848), (8, 61161155), (10, 48928924), (11, 44480840), (17, 28781720), (20, 24464462), (22, 22240420), (34, 14390860), (40, 12232231), (44, 11120210), (55, 8896168), (68, 7195430), (85, 5756344), (88, 5560105), (110, 4448084), (136, 3597715), (170, 2878172), (187, 2616520), (220, 2224042), (340, 1439086), (374, 1308260), (440, 1112021), (680, 719543), (748, 654130), (935, 523304), (1496, 327065), (1870, 261652), (3740, 130826), (7480, 65413)]