1490335860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1910687}}^1$

素因数の和:1910712

約数の個数: 48

約数和(自身を含む): 4493938176

約数和(自身を除く): 3003602316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1910687, 3821374, 5732061, 7642748, 9553435, 11464122, 19106870, 22928244, 24838931, 28660305, 38213740, 49677862, 57320610, 74516793, 99355724, 114641220, 124194655, 149033586, 248389310, 298067172, 372583965, 496778620, 745167930, 1490335860]

約数ペア:

[(1, 1490335860), (2, 745167930), (3, 496778620), (4, 372583965), (5, 298067172), (6, 248389310), (10, 149033586), (12, 124194655), (13, 114641220), (15, 99355724), (20, 74516793), (26, 57320610), (30, 49677862), (39, 38213740), (52, 28660305), (60, 24838931), (65, 22928244), (78, 19106870), (130, 11464122), (156, 9553435), (195, 7642748), (260, 5732061), (390, 3821374), (780, 1910687)]