428793520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{282101}}^1$

素因数の和:282133

約数の個数: 40

約数和(自身を含む): 1049419440

約数和(自身を除く): 620625920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 282101, 564202, 1128404, 1410505, 2256808, 2821010, 4513616, 5359919, 5642020, 10719838, 11284040, 21439676, 22568080, 26799595, 42879352, 53599190, 85758704, 107198380, 214396760, 428793520]

約数ペア:

[(1, 428793520), (2, 214396760), (4, 107198380), (5, 85758704), (8, 53599190), (10, 42879352), (16, 26799595), (19, 22568080), (20, 21439676), (38, 11284040), (40, 10719838), (76, 5642020), (80, 5359919), (95, 4513616), (152, 2821010), (190, 2256808), (304, 1410505), (380, 1128404), (760, 564202), (1520, 282101)]