1309843990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{205627}}^1$

素因数の和:205661

約数の個数: 48

約数和(自身を含む): 2953640592

約数和(自身を除く): 1643796602

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 130, 182, 245, 455, 490, 637, 910, 1274, 3185, 6370, 205627, 411254, 1028135, 1439389, 2056270, 2673151, 2878778, 5346302, 7196945, 10075723, 13365755, 14393890, 18712057, 20151446, 26731510, 37424114, 50378615, 93560285, 100757230, 130984399, 187120570, 261968798, 654921995, 1309843990]

約数ペア:

[(1, 1309843990), (2, 654921995), (5, 261968798), (7, 187120570), (10, 130984399), (13, 100757230), (14, 93560285), (26, 50378615), (35, 37424114), (49, 26731510), (65, 20151446), (70, 18712057), (91, 14393890), (98, 13365755), (130, 10075723), (182, 7196945), (245, 5346302), (455, 2878778), (490, 2673151), (637, 2056270), (910, 1439389), (1274, 1028135), (3185, 411254), (6370, 205627)]