1777880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{263}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 4348080

約数和(自身を除く): 2570200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 263, 338, 520, 526, 676, 845, 1052, 1315, 1352, 1690, 2104, 2630, 3380, 3419, 5260, 6760, 6838, 10520, 13676, 17095, 27352, 34190, 44447, 68380, 88894, 136760, 177788, 222235, 355576, 444470, 888940, 1777880]

約数ペア:

[(1, 1777880), (2, 888940), (4, 444470), (5, 355576), (8, 222235), (10, 177788), (13, 136760), (20, 88894), (26, 68380), (40, 44447), (52, 34190), (65, 27352), (104, 17095), (130, 13676), (169, 10520), (260, 6838), (263, 6760), (338, 5260), (520, 3419), (526, 3380), (676, 2630), (845, 2104), (1052, 1690), (1315, 1352)]