188478740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1\times {\mathrm{523}}^1$

素因数の和:1056

約数の個数: 48

約数和(自身を含む): 408116352

約数和(自身を除く): 219637612

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 487, 523, 740, 974, 1046, 1948, 2092, 2435, 2615, 4870, 5230, 9740, 10460, 18019, 19351, 36038, 38702, 72076, 77404, 90095, 96755, 180190, 193510, 254701, 360380, 387020, 509402, 1018804, 1273505, 2547010, 5094020, 9423937, 18847874, 37695748, 47119685, 94239370, 188478740]

約数ペア:

[(1, 188478740), (2, 94239370), (4, 47119685), (5, 37695748), (10, 18847874), (20, 9423937), (37, 5094020), (74, 2547010), (148, 1273505), (185, 1018804), (370, 509402), (487, 387020), (523, 360380), (740, 254701), (974, 193510), (1046, 180190), (1948, 96755), (2092, 90095), (2435, 77404), (2615, 72076), (4870, 38702), (5230, 36038), (9740, 19351), (10460, 18019)]