262990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2$

素因数の和:61

約数の個数: 48

約数和(自身を含む): 618912

約数和(自身を除く): 355922

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 170, 182, 221, 238, 289, 442, 455, 578, 595, 910, 1105, 1190, 1445, 1547, 2023, 2210, 2890, 3094, 3757, 4046, 7514, 7735, 10115, 15470, 18785, 20230, 26299, 37570, 52598, 131495, 262990]

約数ペア:

[(1, 262990), (2, 131495), (5, 52598), (7, 37570), (10, 26299), (13, 20230), (14, 18785), (17, 15470), (26, 10115), (34, 7735), (35, 7514), (65, 4046), (70, 3757), (85, 3094), (91, 2890), (119, 2210), (130, 2023), (170, 1547), (182, 1445), (221, 1190), (238, 1105), (289, 910), (442, 595), (455, 578)]