28287550

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:337

約数の個数: 48

約数和(自身を含む): 54996480

約数和(自身を除く): 26708930

約数列:

[1, 2, 5, 10, 25, 43, 50, 59, 86, 118, 215, 223, 295, 430, 446, 590, 1075, 1115, 1475, 2150, 2230, 2537, 2950, 5074, 5575, 9589, 11150, 12685, 13157, 19178, 25370, 26314, 47945, 63425, 65785, 95890, 126850, 131570, 239725, 328925, 479450, 565751, 657850, 1131502, 2828755, 5657510, 14143775, 28287550]

約数ペア:

[(1, 28287550), (2, 14143775), (5, 5657510), (10, 2828755), (25, 1131502), (43, 657850), (50, 565751), (59, 479450), (86, 328925), (118, 239725), (215, 131570), (223, 126850), (295, 95890), (430, 65785), (446, 63425), (590, 47945), (1075, 26314), (1115, 25370), (1475, 19178), (2150, 13157), (2230, 12685), (2537, 11150), (2950, 9589), (5074, 5575)]