209720848140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{388371941}}^1$

素因数の和:388371959

約数の個数: 48

約数和(自身を含む): 652464862560

約数和(自身を除く): 442744014420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 388371941, 776743882, 1165115823, 1553487764, 1941859705, 2330231646, 3495347469, 3883719410, 4660463292, 5825579115, 6990694938, 7767438820, 10486042407, 11651158230, 13981389876, 17476737345, 20972084814, 23302316460, 34953474690, 41944169628, 52430212035, 69906949380, 104860424070, 209720848140]

約数ペア:

[(1, 209720848140), (2, 104860424070), (3, 69906949380), (4, 52430212035), (5, 41944169628), (6, 34953474690), (9, 23302316460), (10, 20972084814), (12, 17476737345), (15, 13981389876), (18, 11651158230), (20, 10486042407), (27, 7767438820), (30, 6990694938), (36, 5825579115), (45, 4660463292), (54, 3883719410), (60, 3495347469), (90, 2330231646), (108, 1941859705), (135, 1553487764), (180, 1165115823), (270, 776743882), (540, 388371941)]