669804910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{113719}}^1$

素因数の和:113776

約数の個数: 32

約数和(自身を含む): 1310054400

約数和(自身を除く): 640249490

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 5890, 113719, 227438, 568595, 1137190, 2160661, 3525289, 4321322, 7050578, 10803305, 17626445, 21606610, 35252890, 66980491, 133960982, 334902455, 669804910]

約数ペア:

[(1, 669804910), (2, 334902455), (5, 133960982), (10, 66980491), (19, 35252890), (31, 21606610), (38, 17626445), (62, 10803305), (95, 7050578), (155, 4321322), (190, 3525289), (310, 2160661), (589, 1137190), (1178, 568595), (2945, 227438), (5890, 113719)]