389619700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{205063}}^1$

素因数の和:205096

約数の個数: 36

約数和(自身を含む): 889977760

約数和(自身を除く): 500358060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 205063, 410126, 820252, 1025315, 2050630, 3896197, 4101260, 5126575, 7792394, 10253150, 15584788, 19480985, 20506300, 38961970, 77923940, 97404925, 194809850, 389619700]

約数ペア:

[(1, 389619700), (2, 194809850), (4, 97404925), (5, 77923940), (10, 38961970), (19, 20506300), (20, 19480985), (25, 15584788), (38, 10253150), (50, 7792394), (76, 5126575), (95, 4101260), (100, 3896197), (190, 2050630), (380, 1025315), (475, 820252), (950, 410126), (1900, 205063)]