257430660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{252383}}^1$

素因数の和:252412

約数の個数: 48

約数和(自身を含む): 763209216

約数和(自身を除く): 505778556

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 252383, 504766, 757149, 1009532, 1261915, 1514298, 2523830, 3028596, 3785745, 4290511, 5047660, 7571490, 8581022, 12871533, 15142980, 17162044, 21452555, 25743066, 42905110, 51486132, 64357665, 85810220, 128715330, 257430660]

約数ペア:

[(1, 257430660), (2, 128715330), (3, 85810220), (4, 64357665), (5, 51486132), (6, 42905110), (10, 25743066), (12, 21452555), (15, 17162044), (17, 15142980), (20, 12871533), (30, 8581022), (34, 7571490), (51, 5047660), (60, 4290511), (68, 3785745), (85, 3028596), (102, 2523830), (170, 1514298), (204, 1261915), (255, 1009532), (340, 757149), (510, 504766), (1020, 252383)]