347874920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1\times {\mathrm{389}}^1$

素因数の和:762

約数の個数: 64

約数和(自身を含む): 797472000

約数和(自身を除く): 449597080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 283, 316, 389, 395, 566, 632, 778, 790, 1132, 1415, 1556, 1580, 1945, 2264, 2830, 3112, 3160, 3890, 5660, 7780, 11320, 15560, 22357, 30731, 44714, 61462, 89428, 110087, 111785, 122924, 153655, 178856, 220174, 223570, 245848, 307310, 440348, 447140, 550435, 614620, 880696, 894280, 1100870, 1229240, 2201740, 4403480, 8696873, 17393746, 34787492, 43484365, 69574984, 86968730, 173937460, 347874920]

約数ペア:

[(1, 347874920), (2, 173937460), (4, 86968730), (5, 69574984), (8, 43484365), (10, 34787492), (20, 17393746), (40, 8696873), (79, 4403480), (158, 2201740), (283, 1229240), (316, 1100870), (389, 894280), (395, 880696), (566, 614620), (632, 550435), (778, 447140), (790, 440348), (1132, 307310), (1415, 245848), (1556, 223570), (1580, 220174), (1945, 178856), (2264, 153655), (2830, 122924), (3112, 111785), (3160, 110087), (3890, 89428), (5660, 61462), (7780, 44714), (11320, 30731), (15560, 22357)]