31981180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1093}}^1$

素因数の和:1139

約数の個数: 96

約数和(自身を含む): 88220160

約数和(自身を除く): 56238980

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 133, 140, 154, 190, 209, 220, 266, 308, 380, 385, 418, 532, 665, 770, 836, 1045, 1093, 1330, 1463, 1540, 2090, 2186, 2660, 2926, 4180, 4372, 5465, 5852, 7315, 7651, 10930, 12023, 14630, 15302, 20767, 21860, 24046, 29260, 30604, 38255, 41534, 48092, 60115, 76510, 83068, 84161, 103835, 120230, 145369, 153020, 168322, 207670, 228437, 240460, 290738, 336644, 415340, 420805, 456874, 581476, 726845, 841610, 913748, 1142185, 1453690, 1599059, 1683220, 2284370, 2907380, 3198118, 4568740, 6396236, 7995295, 15990590, 31981180]

約数ペア:

[(1, 31981180), (2, 15990590), (4, 7995295), (5, 6396236), (7, 4568740), (10, 3198118), (11, 2907380), (14, 2284370), (19, 1683220), (20, 1599059), (22, 1453690), (28, 1142185), (35, 913748), (38, 841610), (44, 726845), (55, 581476), (70, 456874), (76, 420805), (77, 415340), (95, 336644), (110, 290738), (133, 240460), (140, 228437), (154, 207670), (190, 168322), (209, 153020), (220, 145369), (266, 120230), (308, 103835), (380, 84161), (385, 83068), (418, 76510), (532, 60115), (665, 48092), (770, 41534), (836, 38255), (1045, 30604), (1093, 29260), (1330, 24046), (1463, 21860), (1540, 20767), (2090, 15302), (2186, 14630), (2660, 12023), (2926, 10930), (4180, 7651), (4372, 7315), (5465, 5852)]