91188980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7741}}^1$

素因数の和:7800

約数の個数: 48

約数和(自身を含む): 208104960

約数和(自身を除く): 116915980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 7741, 11780, 15482, 30964, 38705, 77410, 147079, 154820, 239971, 294158, 479942, 588316, 735395, 959884, 1199855, 1470790, 2399710, 2941580, 4559449, 4799420, 9118898, 18237796, 22797245, 45594490, 91188980]

約数ペア:

[(1, 91188980), (2, 45594490), (4, 22797245), (5, 18237796), (10, 9118898), (19, 4799420), (20, 4559449), (31, 2941580), (38, 2399710), (62, 1470790), (76, 1199855), (95, 959884), (124, 735395), (155, 588316), (190, 479942), (310, 294158), (380, 239971), (589, 154820), (620, 147079), (1178, 77410), (2356, 38705), (2945, 30964), (5890, 15482), (7741, 11780)]