210790750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 419328000

約数和(自身を除く): 208537250

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 199, 223, 250, 398, 446, 475, 950, 995, 1115, 1990, 2230, 2375, 3781, 4237, 4750, 4975, 5575, 7562, 8474, 9950, 11150, 18905, 21185, 24875, 27875, 37810, 42370, 44377, 49750, 55750, 88754, 94525, 105925, 189050, 211850, 221885, 443770, 472625, 529625, 843163, 945250, 1059250, 1109425, 1686326, 2218850, 4215815, 5547125, 8431630, 11094250, 21079075, 42158150, 105395375, 210790750]

約数ペア:

[(1, 210790750), (2, 105395375), (5, 42158150), (10, 21079075), (19, 11094250), (25, 8431630), (38, 5547125), (50, 4215815), (95, 2218850), (125, 1686326), (190, 1109425), (199, 1059250), (223, 945250), (250, 843163), (398, 529625), (446, 472625), (475, 443770), (950, 221885), (995, 211850), (1115, 189050), (1990, 105925), (2230, 94525), (2375, 88754), (3781, 55750), (4237, 49750), (4750, 44377), (4975, 42370), (5575, 37810), (7562, 27875), (8474, 24875), (9950, 21185), (11150, 18905)]