282634280

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{21347}}^1$

素因数の和:21689

約数の個数: 32

約数和(自身を含む): 637878240

約数和(自身を除く): 355243960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 13240, 21347, 42694, 85388, 106735, 170776, 213470, 426940, 853880, 7065857, 14131714, 28263428, 35329285, 56526856, 70658570, 141317140, 282634280]

約数ペア:

[(1, 282634280), (2, 141317140), (4, 70658570), (5, 56526856), (8, 35329285), (10, 28263428), (20, 14131714), (40, 7065857), (331, 853880), (662, 426940), (1324, 213470), (1655, 170776), (2648, 106735), (3310, 85388), (6620, 42694), (13240, 21347)]