27831800

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{67}}^2$

素因数の和:181

約数の個数: 72

約数和(自身を含む): 67808160

約数和(自身を除く): 39976360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 67, 100, 124, 134, 155, 200, 248, 268, 310, 335, 536, 620, 670, 775, 1240, 1340, 1550, 1675, 2077, 2680, 3100, 3350, 4154, 4489, 6200, 6700, 8308, 8978, 10385, 13400, 16616, 17956, 20770, 22445, 35912, 41540, 44890, 51925, 83080, 89780, 103850, 112225, 139159, 179560, 207700, 224450, 278318, 415400, 448900, 556636, 695795, 897800, 1113272, 1391590, 2783180, 3478975, 5566360, 6957950, 13915900, 27831800]

約数ペア:

[(1, 27831800), (2, 13915900), (4, 6957950), (5, 5566360), (8, 3478975), (10, 2783180), (20, 1391590), (25, 1113272), (31, 897800), (40, 695795), (50, 556636), (62, 448900), (67, 415400), (100, 278318), (124, 224450), (134, 207700), (155, 179560), (200, 139159), (248, 112225), (268, 103850), (310, 89780), (335, 83080), (536, 51925), (620, 44890), (670, 41540), (775, 35912), (1240, 22445), (1340, 20770), (1550, 17956), (1675, 16616), (2077, 13400), (2680, 10385), (3100, 8978), (3350, 8308), (4154, 6700), (4489, 6200)]