78326500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:195

約数の個数: 144

約数和(自身を含む): 209139840

約数和(自身を除く): 130813340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 49, 50, 70, 92, 98, 100, 115, 125, 139, 140, 161, 175, 196, 230, 245, 250, 278, 322, 350, 460, 490, 500, 556, 575, 644, 695, 700, 805, 875, 973, 980, 1127, 1150, 1225, 1390, 1610, 1750, 1946, 2254, 2300, 2450, 2780, 2875, 3197, 3220, 3475, 3500, 3892, 4025, 4508, 4865, 4900, 5635, 5750, 6125, 6394, 6811, 6950, 8050, 9730, 11270, 11500, 12250, 12788, 13622, 13900, 15985, 16100, 17375, 19460, 20125, 22379, 22540, 24325, 24500, 27244, 28175, 31970, 34055, 34750, 40250, 44758, 48650, 56350, 63940, 68110, 69500, 79925, 80500, 89516, 97300, 111895, 112700, 121625, 136220, 140875, 156653, 159850, 170275, 223790, 243250, 281750, 313306, 319700, 340550, 399625, 447580, 486500, 559475, 563500, 626612, 681100, 783265, 799250, 851375, 1118950, 1566530, 1598500, 1702750, 2237900, 2797375, 3133060, 3405500, 3916325, 5594750, 7832650, 11189500, 15665300, 19581625, 39163250, 78326500]

約数ペア:

[(1, 78326500), (2, 39163250), (4, 19581625), (5, 15665300), (7, 11189500), (10, 7832650), (14, 5594750), (20, 3916325), (23, 3405500), (25, 3133060), (28, 2797375), (35, 2237900), (46, 1702750), (49, 1598500), (50, 1566530), (70, 1118950), (92, 851375), (98, 799250), (100, 783265), (115, 681100), (125, 626612), (139, 563500), (140, 559475), (161, 486500), (175, 447580), (196, 399625), (230, 340550), (245, 319700), (250, 313306), (278, 281750), (322, 243250), (350, 223790), (460, 170275), (490, 159850), (500, 156653), (556, 140875), (575, 136220), (644, 121625), (695, 112700), (700, 111895), (805, 97300), (875, 89516), (973, 80500), (980, 79925), (1127, 69500), (1150, 68110), (1225, 63940), (1390, 56350), (1610, 48650), (1750, 44758), (1946, 40250), (2254, 34750), (2300, 34055), (2450, 31970), (2780, 28175), (2875, 27244), (3197, 24500), (3220, 24325), (3475, 22540), (3500, 22379), (3892, 20125), (4025, 19460), (4508, 17375), (4865, 16100), (4900, 15985), (5635, 13900), (5750, 13622), (6125, 12788), (6394, 12250), (6811, 11500), (6950, 11270), (8050, 9730)]