489375400

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1447}}^1$

素因数の和:1571

約数の個数: 96

約数和(自身を含む): 1211976000

約数和(自身を除く): 722600600

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 89, 95, 100, 152, 178, 190, 200, 356, 380, 445, 475, 712, 760, 890, 950, 1447, 1691, 1780, 1900, 2225, 2894, 3382, 3560, 3800, 4450, 5788, 6764, 7235, 8455, 8900, 11576, 13528, 14470, 16910, 17800, 27493, 28940, 33820, 36175, 42275, 54986, 57880, 67640, 72350, 84550, 109972, 128783, 137465, 144700, 169100, 219944, 257566, 274930, 289400, 338200, 515132, 549860, 643915, 687325, 1030264, 1099720, 1287830, 1374650, 2446877, 2575660, 2749300, 3219575, 4893754, 5151320, 5498600, 6439150, 9787508, 12234385, 12878300, 19575016, 24468770, 25756600, 48937540, 61171925, 97875080, 122343850, 244687700, 489375400]

約数ペア:

[(1, 489375400), (2, 244687700), (4, 122343850), (5, 97875080), (8, 61171925), (10, 48937540), (19, 25756600), (20, 24468770), (25, 19575016), (38, 12878300), (40, 12234385), (50, 9787508), (76, 6439150), (89, 5498600), (95, 5151320), (100, 4893754), (152, 3219575), (178, 2749300), (190, 2575660), (200, 2446877), (356, 1374650), (380, 1287830), (445, 1099720), (475, 1030264), (712, 687325), (760, 643915), (890, 549860), (950, 515132), (1447, 338200), (1691, 289400), (1780, 274930), (1900, 257566), (2225, 219944), (2894, 169100), (3382, 144700), (3560, 137465), (3800, 128783), (4450, 109972), (5788, 84550), (6764, 72350), (7235, 67640), (8455, 57880), (8900, 54986), (11576, 42275), (13528, 36175), (14470, 33820), (16910, 28940), (17800, 27493)]