1720243025

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1453}}^1$

素因数の和:1586

約数の個数: 48

約数和(自身を含む): 2336636160

約数和(自身を除く): 616393135

約数列:

[1, 5, 23, 25, 29, 71, 115, 145, 355, 575, 667, 725, 1453, 1633, 1775, 2059, 3335, 7265, 8165, 10295, 16675, 33419, 36325, 40825, 42137, 47357, 51475, 103163, 167095, 210685, 236785, 515815, 835475, 969151, 1053425, 1183925, 2372749, 2579075, 2991727, 4845755, 11863745, 14958635, 24228775, 59318725, 68809721, 74793175, 344048605, 1720243025]

約数ペア:

[(1, 1720243025), (5, 344048605), (23, 74793175), (25, 68809721), (29, 59318725), (71, 24228775), (115, 14958635), (145, 11863745), (355, 4845755), (575, 2991727), (667, 2579075), (725, 2372749), (1453, 1183925), (1633, 1053425), (1775, 969151), (2059, 835475), (3335, 515815), (7265, 236785), (8165, 210685), (10295, 167095), (16675, 103163), (33419, 51475), (36325, 47357), (40825, 42137)]