897330850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{1031}}^1$

素因数の和:1172

約数の個数: 72

約数和(自身を含む): 1826615232

約数和(自身を除く): 929284382

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 103, 130, 169, 206, 325, 338, 515, 650, 845, 1030, 1031, 1339, 1690, 2062, 2575, 2678, 4225, 5150, 5155, 6695, 8450, 10310, 13390, 13403, 17407, 25775, 26806, 33475, 34814, 51550, 66950, 67015, 87035, 106193, 134030, 174070, 174239, 212386, 335075, 348478, 435175, 530965, 670150, 870350, 871195, 1061930, 1380509, 1742390, 2654825, 2761018, 4355975, 5309650, 6902545, 8711950, 13805090, 17946617, 34512725, 35893234, 69025450, 89733085, 179466170, 448665425, 897330850]

約数ペア:

[(1, 897330850), (2, 448665425), (5, 179466170), (10, 89733085), (13, 69025450), (25, 35893234), (26, 34512725), (50, 17946617), (65, 13805090), (103, 8711950), (130, 6902545), (169, 5309650), (206, 4355975), (325, 2761018), (338, 2654825), (515, 1742390), (650, 1380509), (845, 1061930), (1030, 871195), (1031, 870350), (1339, 670150), (1690, 530965), (2062, 435175), (2575, 348478), (2678, 335075), (4225, 212386), (5150, 174239), (5155, 174070), (6695, 134030), (8450, 106193), (10310, 87035), (13390, 67015), (13403, 66950), (17407, 51550), (25775, 34814), (26806, 33475)]