28684860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1229}}^1$

素因数の和:1630

約数の個数: 48

約数和(自身を含む): 80589600

約数和(自身を除く): 51904740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 389, 778, 1167, 1229, 1556, 1945, 2334, 2458, 3687, 3890, 4668, 4916, 5835, 6145, 7374, 7780, 11670, 12290, 14748, 18435, 23340, 24580, 36870, 73740, 478081, 956162, 1434243, 1912324, 2390405, 2868486, 4780810, 5736972, 7171215, 9561620, 14342430, 28684860]

約数ペア:

[(1, 28684860), (2, 14342430), (3, 9561620), (4, 7171215), (5, 5736972), (6, 4780810), (10, 2868486), (12, 2390405), (15, 1912324), (20, 1434243), (30, 956162), (60, 478081), (389, 73740), (778, 36870), (1167, 24580), (1229, 23340), (1556, 18435), (1945, 14748), (2334, 12290), (2458, 11670), (3687, 7780), (3890, 7374), (4668, 6145), (4916, 5835)]