201996520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{2749}}^1$

素因数の和:2938

約数の個数: 64

約数和(自身を含む): 498960000

約数和(自身を除く): 296963480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 167, 220, 334, 440, 668, 835, 1336, 1670, 1837, 2749, 3340, 3674, 5498, 6680, 7348, 9185, 10996, 13745, 14696, 18370, 21992, 27490, 30239, 36740, 54980, 60478, 73480, 109960, 120956, 151195, 241912, 302390, 459083, 604780, 918166, 1209560, 1836332, 2295415, 3672664, 4590830, 5049913, 9181660, 10099826, 18363320, 20199652, 25249565, 40399304, 50499130, 100998260, 201996520]

約数ペア:

[(1, 201996520), (2, 100998260), (4, 50499130), (5, 40399304), (8, 25249565), (10, 20199652), (11, 18363320), (20, 10099826), (22, 9181660), (40, 5049913), (44, 4590830), (55, 3672664), (88, 2295415), (110, 1836332), (167, 1209560), (220, 918166), (334, 604780), (440, 459083), (668, 302390), (835, 241912), (1336, 151195), (1670, 120956), (1837, 109960), (2749, 73480), (3340, 60478), (3674, 54980), (5498, 36740), (6680, 30239), (7348, 27490), (9185, 21992), (10996, 18370), (13745, 14696)]