348575620

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{1733}}^1$

素因数の和:1944

約数の個数: 48

約数和(自身を含む): 747215280

約数和(自身を除く): 398639660

約数列:

[1, 2, 4, 5, 10, 20, 89, 113, 178, 226, 356, 445, 452, 565, 890, 1130, 1733, 1780, 2260, 3466, 6932, 8665, 10057, 17330, 20114, 34660, 40228, 50285, 100570, 154237, 195829, 201140, 308474, 391658, 616948, 771185, 783316, 979145, 1542370, 1958290, 3084740, 3916580, 17428781, 34857562, 69715124, 87143905, 174287810, 348575620]

約数ペア:

[(1, 348575620), (2, 174287810), (4, 87143905), (5, 69715124), (10, 34857562), (20, 17428781), (89, 3916580), (113, 3084740), (178, 1958290), (226, 1542370), (356, 979145), (445, 783316), (452, 771185), (565, 616948), (890, 391658), (1130, 308474), (1733, 201140), (1780, 195829), (2260, 154237), (3466, 100570), (6932, 50285), (8665, 40228), (10057, 34660), (17330, 20114)]