220143775

素因数分解:

$5^2\times {\mathrm{113}}^1\times {\mathrm{149}}^1\times {\mathrm{523}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 277772400

約数和(自身を除く): 57628625

約数列:

[1, 5, 25, 113, 149, 523, 565, 745, 2615, 2825, 3725, 13075, 16837, 59099, 77927, 84185, 295495, 389635, 420925, 1477475, 1948175, 8805751, 44028755, 220143775]

約数ペア:

[(1, 220143775), (5, 44028755), (25, 8805751), (113, 1948175), (149, 1477475), (523, 420925), (565, 389635), (745, 295495), (2615, 84185), (2825, 77927), (3725, 59099), (13075, 16837)]