259490025

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1223}}^1$

素因数の和:1303

約数の個数: 72

約数和(自身を含む): 497218176

約数和(自身を除く): 237728151

約数列:

[1, 3, 5, 9, 15, 23, 25, 41, 45, 69, 75, 115, 123, 205, 207, 225, 345, 369, 575, 615, 943, 1025, 1035, 1223, 1725, 1845, 2829, 3075, 3669, 4715, 5175, 6115, 8487, 9225, 11007, 14145, 18345, 23575, 28129, 30575, 42435, 50143, 55035, 70725, 84387, 91725, 140645, 150429, 212175, 250715, 253161, 275175, 421935, 451287, 703225, 752145, 1153289, 1253575, 1265805, 2109675, 2256435, 3459867, 3760725, 5766445, 6329025, 10379601, 11282175, 17299335, 28832225, 51898005, 86496675, 259490025]

約数ペア:

[(1, 259490025), (3, 86496675), (5, 51898005), (9, 28832225), (15, 17299335), (23, 11282175), (25, 10379601), (41, 6329025), (45, 5766445), (69, 3760725), (75, 3459867), (115, 2256435), (123, 2109675), (205, 1265805), (207, 1253575), (225, 1153289), (345, 752145), (369, 703225), (575, 451287), (615, 421935), (943, 275175), (1025, 253161), (1035, 250715), (1223, 212175), (1725, 150429), (1845, 140645), (2829, 91725), (3075, 84387), (3669, 70725), (4715, 55035), (5175, 50143), (6115, 42435), (8487, 30575), (9225, 28129), (11007, 23575), (14145, 18345)]