481000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:71

約数の個数: 64

約数和(自身を含む): 1244880

約数和(自身を除く): 763880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 37, 40, 50, 52, 65, 74, 100, 104, 125, 130, 148, 185, 200, 250, 260, 296, 325, 370, 481, 500, 520, 650, 740, 925, 962, 1000, 1300, 1480, 1625, 1850, 1924, 2405, 2600, 3250, 3700, 3848, 4625, 4810, 6500, 7400, 9250, 9620, 12025, 13000, 18500, 19240, 24050, 37000, 48100, 60125, 96200, 120250, 240500, 481000]

約数ペア:

[(1, 481000), (2, 240500), (4, 120250), (5, 96200), (8, 60125), (10, 48100), (13, 37000), (20, 24050), (25, 19240), (26, 18500), (37, 13000), (40, 12025), (50, 9620), (52, 9250), (65, 7400), (74, 6500), (100, 4810), (104, 4625), (125, 3848), (130, 3700), (148, 3250), (185, 2600), (200, 2405), (250, 1924), (260, 1850), (296, 1625), (325, 1480), (370, 1300), (481, 1000), (500, 962), (520, 925), (650, 740)]