208840550

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:501

約数の個数: 48

約数和(自身を含む): 395808000

約数和(自身を除く): 186967450

約数列:

[1, 2, 5, 10, 25, 50, 139, 151, 199, 278, 302, 398, 695, 755, 995, 1390, 1510, 1990, 3475, 3775, 4975, 6950, 7550, 9950, 20989, 27661, 30049, 41978, 55322, 60098, 104945, 138305, 150245, 209890, 276610, 300490, 524725, 691525, 751225, 1049450, 1383050, 1502450, 4176811, 8353622, 20884055, 41768110, 104420275, 208840550]

約数ペア:

[(1, 208840550), (2, 104420275), (5, 41768110), (10, 20884055), (25, 8353622), (50, 4176811), (139, 1502450), (151, 1383050), (199, 1049450), (278, 751225), (302, 691525), (398, 524725), (695, 300490), (755, 276610), (995, 209890), (1390, 150245), (1510, 138305), (1990, 104945), (3475, 60098), (3775, 55322), (4975, 41978), (6950, 30049), (7550, 27661), (9950, 20989)]