28691340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{478189}}^1$

素因数の和:478201

約数の個数: 24

約数和(自身を含む): 80335920

約数和(自身を除く): 51644580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 478189, 956378, 1434567, 1912756, 2390945, 2869134, 4781890, 5738268, 7172835, 9563780, 14345670, 28691340]

約数ペア:

[(1, 28691340), (2, 14345670), (3, 9563780), (4, 7172835), (5, 5738268), (6, 4781890), (10, 2869134), (12, 2390945), (15, 1912756), (20, 1434567), (30, 956378), (60, 478189)]