7786580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 17794560

約数和(自身を除く): 10007980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 661, 1178, 1322, 2356, 2644, 2945, 3305, 5890, 6610, 11780, 12559, 13220, 20491, 25118, 40982, 50236, 62795, 81964, 102455, 125590, 204910, 251180, 389329, 409820, 778658, 1557316, 1946645, 3893290, 7786580]

約数ペア:

[(1, 7786580), (2, 3893290), (4, 1946645), (5, 1557316), (10, 778658), (19, 409820), (20, 389329), (31, 251180), (38, 204910), (62, 125590), (76, 102455), (95, 81964), (124, 62795), (155, 50236), (190, 40982), (310, 25118), (380, 20491), (589, 13220), (620, 12559), (661, 11780), (1178, 6610), (1322, 5890), (2356, 3305), (2644, 2945)]