1557186280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{230353}}^1$

素因数の和:230390

約数の個数: 48

約数和(自身を含む): 3793930380

約数和(自身を除く): 2236744100

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 230353, 460706, 921412, 1151765, 1842824, 2303530, 2994589, 4607060, 5989178, 9214120, 11978356, 14972945, 23956712, 29945890, 38929657, 59891780, 77859314, 119783560, 155718628, 194648285, 311437256, 389296570, 778593140, 1557186280]

約数ペア:

[(1, 1557186280), (2, 778593140), (4, 389296570), (5, 311437256), (8, 194648285), (10, 155718628), (13, 119783560), (20, 77859314), (26, 59891780), (40, 38929657), (52, 29945890), (65, 23956712), (104, 14972945), (130, 11978356), (169, 9214120), (260, 5989178), (338, 4607060), (520, 2994589), (676, 2303530), (845, 1842824), (1352, 1151765), (1690, 921412), (3380, 460706), (6760, 230353)]