421453820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{15193}}^1$

素因数の和:15294

約数の個数: 48

約数和(自身を含む): 944459040

約数和(自身を除く): 523005220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1387, 1460, 2774, 5548, 6935, 13870, 15193, 27740, 30386, 60772, 75965, 151930, 288667, 303860, 577334, 1109089, 1154668, 1443335, 2218178, 2886670, 4436356, 5545445, 5773340, 11090890, 21072691, 22181780, 42145382, 84290764, 105363455, 210726910, 421453820]

約数ペア:

[(1, 421453820), (2, 210726910), (4, 105363455), (5, 84290764), (10, 42145382), (19, 22181780), (20, 21072691), (38, 11090890), (73, 5773340), (76, 5545445), (95, 4436356), (146, 2886670), (190, 2218178), (292, 1443335), (365, 1154668), (380, 1109089), (730, 577334), (1387, 303860), (1460, 288667), (2774, 151930), (5548, 75965), (6935, 60772), (13870, 30386), (15193, 27740)]