155161250

素因数分解:

$2^1\times 5^4\times {\mathrm{101}}^1\times {\mathrm{1229}}^1$

素因数の和:1352

約数の個数: 40

約数和(自身を含む): 293952780

約数和(自身を除く): 138791530

約数列:

[1, 2, 5, 10, 25, 50, 101, 125, 202, 250, 505, 625, 1010, 1229, 1250, 2458, 2525, 5050, 6145, 12290, 12625, 25250, 30725, 61450, 63125, 124129, 126250, 153625, 248258, 307250, 620645, 768125, 1241290, 1536250, 3103225, 6206450, 15516125, 31032250, 77580625, 155161250]

約数ペア:

[(1, 155161250), (2, 77580625), (5, 31032250), (10, 15516125), (25, 6206450), (50, 3103225), (101, 1536250), (125, 1241290), (202, 768125), (250, 620645), (505, 307250), (625, 248258), (1010, 153625), (1229, 126250), (1250, 124129), (2458, 63125), (2525, 61450), (5050, 30725), (6145, 25250), (12290, 12625)]