30509780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{569}}^1$

素因数の和:968

約数の個数: 48

約数和(自身を含む): 73543680

約数和(自身を除く): 43033900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 383, 569, 766, 1138, 1532, 1915, 2276, 2681, 2845, 3830, 3983, 5362, 5690, 7660, 7966, 10724, 11380, 13405, 15932, 19915, 26810, 39830, 53620, 79660, 217927, 435854, 871708, 1089635, 1525489, 2179270, 3050978, 4358540, 6101956, 7627445, 15254890, 30509780]

約数ペア:

[(1, 30509780), (2, 15254890), (4, 7627445), (5, 6101956), (7, 4358540), (10, 3050978), (14, 2179270), (20, 1525489), (28, 1089635), (35, 871708), (70, 435854), (140, 217927), (383, 79660), (569, 53620), (766, 39830), (1138, 26810), (1532, 19915), (1915, 15932), (2276, 13405), (2681, 11380), (2845, 10724), (3830, 7966), (3983, 7660), (5362, 5690)]