13989564100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{69221}}^1$

素因数の和:69325

約数の個数: 72

約数和(自身を含む): 31724719488

約数和(自身を除く): 17735155388

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 47, 50, 86, 94, 100, 172, 188, 215, 235, 430, 470, 860, 940, 1075, 1175, 2021, 2150, 2350, 4042, 4300, 4700, 8084, 10105, 20210, 40420, 50525, 69221, 101050, 138442, 202100, 276884, 346105, 692210, 1384420, 1730525, 2976503, 3253387, 3461050, 5953006, 6506774, 6922100, 11906012, 13013548, 14882515, 16266935, 29765030, 32533870, 59530060, 65067740, 74412575, 81334675, 139895641, 148825150, 162669350, 279791282, 297650300, 325338700, 559582564, 699478205, 1398956410, 2797912820, 3497391025, 6994782050, 13989564100]

約数ペア:

[(1, 13989564100), (2, 6994782050), (4, 3497391025), (5, 2797912820), (10, 1398956410), (20, 699478205), (25, 559582564), (43, 325338700), (47, 297650300), (50, 279791282), (86, 162669350), (94, 148825150), (100, 139895641), (172, 81334675), (188, 74412575), (215, 65067740), (235, 59530060), (430, 32533870), (470, 29765030), (860, 16266935), (940, 14882515), (1075, 13013548), (1175, 11906012), (2021, 6922100), (2150, 6506774), (2350, 5953006), (4042, 3461050), (4300, 3253387), (4700, 2976503), (8084, 1730525), (10105, 1384420), (20210, 692210), (40420, 346105), (50525, 276884), (69221, 202100), (101050, 138442)]