203411000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{15647}}^1$

素因数の和:15681

約数の個数: 64

約数和(自身を含む): 512628480

約数和(自身を除く): 309217480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1625, 2600, 3250, 6500, 13000, 15647, 31294, 62588, 78235, 125176, 156470, 203411, 312940, 391175, 406822, 625880, 782350, 813644, 1017055, 1564700, 1627288, 1955875, 2034110, 3129400, 3911750, 4068220, 5085275, 7823500, 8136440, 10170550, 15647000, 20341100, 25426375, 40682200, 50852750, 101705500, 203411000]

約数ペア:

[(1, 203411000), (2, 101705500), (4, 50852750), (5, 40682200), (8, 25426375), (10, 20341100), (13, 15647000), (20, 10170550), (25, 8136440), (26, 7823500), (40, 5085275), (50, 4068220), (52, 3911750), (65, 3129400), (100, 2034110), (104, 1955875), (125, 1627288), (130, 1564700), (200, 1017055), (250, 813644), (260, 782350), (325, 625880), (500, 406822), (520, 391175), (650, 312940), (1000, 203411), (1300, 156470), (1625, 125176), (2600, 78235), (3250, 62588), (6500, 31294), (13000, 15647)]