138457997275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{25339}}^1$

素因数の和:25445

約数の個数: 96

約数和(自身を含む): 209041620480

約数和(自身を除く): 70583623205

約数列:

[1, 5, 13, 17, 23, 25, 43, 65, 85, 115, 215, 221, 299, 325, 391, 425, 559, 575, 731, 989, 1075, 1105, 1495, 1955, 2795, 3655, 4945, 5083, 5525, 7475, 9503, 9775, 12857, 13975, 16813, 18275, 24725, 25339, 25415, 47515, 64285, 84065, 126695, 127075, 218569, 237575, 321425, 329407, 420325, 430763, 582797, 633475, 1089577, 1092845, 1647035, 2153815, 2913985, 5447885, 5464225, 5599919, 7576361, 8235175, 9907549, 10769075, 14164501, 14569925, 18522809, 25060271, 27239425, 27999595, 37881805, 49537745, 70822505, 92614045, 125301355, 128798137, 139997975, 189409025, 240796517, 247688725, 325783523, 354112525, 426024607, 463070225, 626506775, 643990685, 1203982585, 1628917615, 2130123035, 3219953425, 5538319891, 6019912925, 8144588075, 10650615175, 27691599455, 138457997275]

約数ペア:

[(1, 138457997275), (5, 27691599455), (13, 10650615175), (17, 8144588075), (23, 6019912925), (25, 5538319891), (43, 3219953425), (65, 2130123035), (85, 1628917615), (115, 1203982585), (215, 643990685), (221, 626506775), (299, 463070225), (325, 426024607), (391, 354112525), (425, 325783523), (559, 247688725), (575, 240796517), (731, 189409025), (989, 139997975), (1075, 128798137), (1105, 125301355), (1495, 92614045), (1955, 70822505), (2795, 49537745), (3655, 37881805), (4945, 27999595), (5083, 27239425), (5525, 25060271), (7475, 18522809), (9503, 14569925), (9775, 14164501), (12857, 10769075), (13975, 9907549), (16813, 8235175), (18275, 7576361), (24725, 5599919), (25339, 5464225), (25415, 5447885), (47515, 2913985), (64285, 2153815), (84065, 1647035), (126695, 1092845), (127075, 1089577), (218569, 633475), (237575, 582797), (321425, 430763), (329407, 420325)]