259511720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{17209}}^1$

素因数の和:17262

約数の個数: 64

約数和(自身を含む): 650538000

約数和(自身を除く): 391026280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1508, 1885, 3016, 3770, 7540, 15080, 17209, 34418, 68836, 86045, 137672, 172090, 223717, 344180, 447434, 499061, 688360, 894868, 998122, 1118585, 1789736, 1996244, 2237170, 2495305, 3992488, 4474340, 4990610, 6487793, 8948680, 9981220, 12975586, 19962440, 25951172, 32438965, 51902344, 64877930, 129755860, 259511720]

約数ペア:

[(1, 259511720), (2, 129755860), (4, 64877930), (5, 51902344), (8, 32438965), (10, 25951172), (13, 19962440), (20, 12975586), (26, 9981220), (29, 8948680), (40, 6487793), (52, 4990610), (58, 4474340), (65, 3992488), (104, 2495305), (116, 2237170), (130, 1996244), (145, 1789736), (232, 1118585), (260, 998122), (290, 894868), (377, 688360), (520, 499061), (580, 447434), (754, 344180), (1160, 223717), (1508, 172090), (1885, 137672), (3016, 86045), (3770, 68836), (7540, 34418), (15080, 17209)]