202449320

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{11743}}^1$

素因数の和:12185

約数の個数: 32

約数和(自身を含む): 456606720

約数和(自身を除く): 254157400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4310, 8620, 11743, 17240, 23486, 46972, 58715, 93944, 117430, 234860, 469720, 5061233, 10122466, 20244932, 25306165, 40489864, 50612330, 101224660, 202449320]

約数ペア:

[(1, 202449320), (2, 101224660), (4, 50612330), (5, 40489864), (8, 25306165), (10, 20244932), (20, 10122466), (40, 5061233), (431, 469720), (862, 234860), (1724, 117430), (2155, 93944), (3448, 58715), (4310, 46972), (8620, 23486), (11743, 17240)]