509999880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{326923}}^1$

素因数の和:326950

約数の個数: 64

約数和(自身を含む): 1647696960

約数和(自身を除く): 1137697080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 326923, 653846, 980769, 1307692, 1634615, 1961538, 2615384, 3269230, 3923076, 4249999, 4903845, 6538460, 7846152, 8499998, 9807690, 12749997, 13076920, 16999996, 19615380, 21249995, 25499994, 33999992, 39230760, 42499990, 50999988, 63749985, 84999980, 101999976, 127499970, 169999960, 254999940, 509999880]

約数ペア:

[(1, 509999880), (2, 254999940), (3, 169999960), (4, 127499970), (5, 101999976), (6, 84999980), (8, 63749985), (10, 50999988), (12, 42499990), (13, 39230760), (15, 33999992), (20, 25499994), (24, 21249995), (26, 19615380), (30, 16999996), (39, 13076920), (40, 12749997), (52, 9807690), (60, 8499998), (65, 7846152), (78, 6538460), (104, 4903845), (120, 4249999), (130, 3923076), (156, 3269230), (195, 2615384), (260, 1961538), (312, 1634615), (390, 1307692), (520, 980769), (780, 653846), (1560, 326923)]