202428760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163249}}^1$

素因数の和:163291

約数の個数: 32

約数和(自身を含む): 470160000

約数和(自身を除く): 267731240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 163249, 326498, 652996, 816245, 1305992, 1632490, 3264980, 5060719, 6529960, 10121438, 20242876, 25303595, 40485752, 50607190, 101214380, 202428760]

約数ペア:

[(1, 202428760), (2, 101214380), (4, 50607190), (5, 40485752), (8, 25303595), (10, 20242876), (20, 10121438), (31, 6529960), (40, 5060719), (62, 3264980), (124, 1632490), (155, 1305992), (248, 816245), (310, 652996), (620, 326498), (1240, 163249)]