401065860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{514187}}^1$

素因数の和:514212

約数の個数: 48

約数和(自身を含む): 1209370176

約数和(自身を除く): 808304316

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, 514187, 1028374, 1542561, 2056748, 2570935, 3085122, 5141870, 6170244, 6684431, 7712805, 10283740, 13368862, 15425610, 20053293, 26737724, 30851220, 33422155, 40106586, 66844310, 80213172, 100266465, 133688620, 200532930, 401065860]

約数ペア:

[(1, 401065860), (2, 200532930), (3, 133688620), (4, 100266465), (5, 80213172), (6, 66844310), (10, 40106586), (12, 33422155), (13, 30851220), (15, 26737724), (20, 20053293), (26, 15425610), (30, 13368862), (39, 10283740), (52, 7712805), (60, 6684431), (65, 6170244), (78, 5141870), (130, 3085122), (156, 2570935), (195, 2056748), (260, 1542561), (390, 1028374), (780, 514187)]