405153020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{1583}}^1$

素因数の和:1850

約数の個数: 48

約数和(自身を含む): 868589568

約数和(自身を除く): 463436548

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 191, 268, 335, 382, 670, 764, 955, 1340, 1583, 1910, 3166, 3820, 6332, 7915, 12797, 15830, 25594, 31660, 51188, 63985, 106061, 127970, 212122, 255940, 302353, 424244, 530305, 604706, 1060610, 1209412, 1511765, 2121220, 3023530, 6047060, 20257651, 40515302, 81030604, 101288255, 202576510, 405153020]

約数ペア:

[(1, 405153020), (2, 202576510), (4, 101288255), (5, 81030604), (10, 40515302), (20, 20257651), (67, 6047060), (134, 3023530), (191, 2121220), (268, 1511765), (335, 1209412), (382, 1060610), (670, 604706), (764, 530305), (955, 424244), (1340, 302353), (1583, 255940), (1910, 212122), (3166, 127970), (3820, 106061), (6332, 63985), (7915, 51188), (12797, 31660), (15830, 25594)]