248950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:408

約数の個数: 24

約数和(自身を含む): 499968

約数和(自身を除く): 251018

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 383, 650, 766, 1915, 3830, 4979, 9575, 9958, 19150, 24895, 49790, 124475, 248950]

約数ペア:

[(1, 248950), (2, 124475), (5, 49790), (10, 24895), (13, 19150), (25, 9958), (26, 9575), (50, 4979), (65, 3830), (130, 1915), (325, 766), (383, 650)]