210654820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{619573}}^1$

素因数の和:619599

約数の個数: 24

約数和(自身を含む): 468397944

約数和(自身を除く): 257743124

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 619573, 1239146, 2478292, 3097865, 6195730, 10532741, 12391460, 21065482, 42130964, 52663705, 105327410, 210654820]

約数ペア:

[(1, 210654820), (2, 105327410), (4, 52663705), (5, 42130964), (10, 21065482), (17, 12391460), (20, 10532741), (34, 6195730), (68, 3097865), (85, 2478292), (170, 1239146), (340, 619573)]