30384800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2038

約数の個数: 72

約数和(自身を含む): 78120000

約数和(自身を除く): 47735200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 608, 760, 800, 950, 1520, 1900, 1999, 3040, 3800, 3998, 7600, 7996, 9995, 15200, 15992, 19990, 31984, 37981, 39980, 49975, 63968, 75962, 79960, 99950, 151924, 159920, 189905, 199900, 303848, 319840, 379810, 399800, 607696, 759620, 799600, 949525, 1215392, 1519240, 1599200, 1899050, 3038480, 3798100, 6076960, 7596200, 15192400, 30384800]

約数ペア:

[(1, 30384800), (2, 15192400), (4, 7596200), (5, 6076960), (8, 3798100), (10, 3038480), (16, 1899050), (19, 1599200), (20, 1519240), (25, 1215392), (32, 949525), (38, 799600), (40, 759620), (50, 607696), (76, 399800), (80, 379810), (95, 319840), (100, 303848), (152, 199900), (160, 189905), (190, 159920), (200, 151924), (304, 99950), (380, 79960), (400, 75962), (475, 63968), (608, 49975), (760, 39980), (800, 37981), (950, 31984), (1520, 19990), (1900, 15992), (1999, 15200), (3040, 9995), (3800, 7996), (3998, 7600)]