131546890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 259117056

約数和(自身を除く): 127570166

約数列:

[1, 2, 5, 10, 23, 43, 46, 47, 86, 94, 115, 215, 230, 235, 283, 430, 470, 566, 989, 1081, 1415, 1978, 2021, 2162, 2830, 4042, 4945, 5405, 6509, 9890, 10105, 10810, 12169, 13018, 13301, 20210, 24338, 26602, 32545, 46483, 60845, 65090, 66505, 92966, 121690, 133010, 232415, 279887, 305923, 464830, 559774, 571943, 611846, 1143886, 1399435, 1529615, 2798870, 2859715, 3059230, 5719430, 13154689, 26309378, 65773445, 131546890]

約数ペア:

[(1, 131546890), (2, 65773445), (5, 26309378), (10, 13154689), (23, 5719430), (43, 3059230), (46, 2859715), (47, 2798870), (86, 1529615), (94, 1399435), (115, 1143886), (215, 611846), (230, 571943), (235, 559774), (283, 464830), (430, 305923), (470, 279887), (566, 232415), (989, 133010), (1081, 121690), (1415, 92966), (1978, 66505), (2021, 65090), (2162, 60845), (2830, 46483), (4042, 32545), (4945, 26602), (5405, 24338), (6509, 20210), (9890, 13301), (10105, 13018), (10810, 12169)]