290434312

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{140171}}^1$

素因数の和:140221

約数の個数: 32

約数和(自身を含む): 639184320

約数和(自身を除く): 348750008

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 140171, 280342, 560684, 981197, 1121368, 1962394, 3924788, 5186327, 7849576, 10372654, 20745308, 36304289, 41490616, 72608578, 145217156, 290434312]

約数ペア:

[(1, 290434312), (2, 145217156), (4, 72608578), (7, 41490616), (8, 36304289), (14, 20745308), (28, 10372654), (37, 7849576), (56, 5186327), (74, 3924788), (148, 1962394), (259, 1121368), (296, 981197), (518, 560684), (1036, 280342), (2072, 140171)]