220128875

素因数分解:

$5^3\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:440

約数の個数: 32

約数和(自身を含む): 283046400

約数和(自身を除く): 62917525

約数列:

[1, 5, 25, 53, 125, 149, 223, 265, 745, 1115, 1325, 3725, 5575, 6625, 7897, 11819, 18625, 27875, 33227, 39485, 59095, 166135, 197425, 295475, 830675, 987125, 1477375, 1761031, 4153375, 8805155, 44025775, 220128875]

約数ペア:

[(1, 220128875), (5, 44025775), (25, 8805155), (53, 4153375), (125, 1761031), (149, 1477375), (223, 987125), (265, 830675), (745, 295475), (1115, 197425), (1325, 166135), (3725, 59095), (5575, 39485), (6625, 33227), (7897, 27875), (11819, 18625)]