720940175

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 964224000

約数和(自身を除く): 243283825

約数列:

[1, 5, 23, 25, 59, 79, 115, 269, 295, 395, 575, 1345, 1357, 1475, 1817, 1975, 4661, 6187, 6725, 6785, 9085, 15871, 21251, 23305, 30935, 33925, 45425, 79355, 106255, 107203, 116525, 154675, 365033, 396775, 488773, 531275, 536015, 1253809, 1825165, 2443865, 2680075, 6269045, 9125825, 12219325, 28837607, 31345225, 144188035, 720940175]

約数ペア:

[(1, 720940175), (5, 144188035), (23, 31345225), (25, 28837607), (59, 12219325), (79, 9125825), (115, 6269045), (269, 2680075), (295, 2443865), (395, 1825165), (575, 1253809), (1345, 536015), (1357, 531275), (1475, 488773), (1817, 396775), (1975, 365033), (4661, 154675), (6187, 116525), (6725, 107203), (6785, 106255), (9085, 79355), (15871, 45425), (21251, 33925), (23305, 30935)]