138438500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:246

約数の個数: 96

約数和(自身を含む): 318269952

約数和(自身を除く): 179831452

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 47, 50, 86, 94, 100, 125, 137, 172, 188, 215, 235, 250, 274, 430, 470, 500, 548, 685, 860, 940, 1075, 1175, 1370, 2021, 2150, 2350, 2740, 3425, 4042, 4300, 4700, 5375, 5875, 5891, 6439, 6850, 8084, 10105, 10750, 11750, 11782, 12878, 13700, 17125, 20210, 21500, 23500, 23564, 25756, 29455, 32195, 34250, 40420, 50525, 58910, 64390, 68500, 101050, 117820, 128780, 147275, 160975, 202100, 252625, 276877, 294550, 321950, 505250, 553754, 589100, 643900, 736375, 804875, 1010500, 1107508, 1384385, 1472750, 1609750, 2768770, 2945500, 3219500, 5537540, 6921925, 13843850, 27687700, 34609625, 69219250, 138438500]

約数ペア:

[(1, 138438500), (2, 69219250), (4, 34609625), (5, 27687700), (10, 13843850), (20, 6921925), (25, 5537540), (43, 3219500), (47, 2945500), (50, 2768770), (86, 1609750), (94, 1472750), (100, 1384385), (125, 1107508), (137, 1010500), (172, 804875), (188, 736375), (215, 643900), (235, 589100), (250, 553754), (274, 505250), (430, 321950), (470, 294550), (500, 276877), (548, 252625), (685, 202100), (860, 160975), (940, 147275), (1075, 128780), (1175, 117820), (1370, 101050), (2021, 68500), (2150, 64390), (2350, 58910), (2740, 50525), (3425, 40420), (4042, 34250), (4300, 32195), (4700, 29455), (5375, 25756), (5875, 23564), (5891, 23500), (6439, 21500), (6850, 20210), (8084, 17125), (10105, 13700), (10750, 12878), (11750, 11782)]