28405710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{547}}^1\times {\mathrm{577}}^1$

素因数の和:1137

約数の個数: 48

約数和(自身を含む): 74118096

約数和(自身を除く): 45712386

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 547, 577, 1094, 1154, 1641, 1731, 2735, 2885, 3282, 3462, 4923, 5193, 5470, 5770, 8205, 8655, 9846, 10386, 16410, 17310, 24615, 25965, 49230, 51930, 315619, 631238, 946857, 1578095, 1893714, 2840571, 3156190, 4734285, 5681142, 9468570, 14202855, 28405710]

約数ペア:

[(1, 28405710), (2, 14202855), (3, 9468570), (5, 5681142), (6, 4734285), (9, 3156190), (10, 2840571), (15, 1893714), (18, 1578095), (30, 946857), (45, 631238), (90, 315619), (547, 51930), (577, 49230), (1094, 25965), (1154, 24615), (1641, 17310), (1731, 16410), (2735, 10386), (2885, 9846), (3282, 8655), (3462, 8205), (4923, 5770), (5193, 5470)]