1880450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 4124736

約数和(自身を除く): 2244286

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 263, 275, 286, 325, 526, 550, 650, 715, 1315, 1430, 2630, 2893, 3419, 3575, 5786, 6575, 6838, 7150, 13150, 14465, 17095, 28930, 34190, 37609, 72325, 75218, 85475, 144650, 170950, 188045, 376090, 940225, 1880450]

約数ペア:

[(1, 1880450), (2, 940225), (5, 376090), (10, 188045), (11, 170950), (13, 144650), (22, 85475), (25, 75218), (26, 72325), (50, 37609), (55, 34190), (65, 28930), (110, 17095), (130, 14465), (143, 13150), (263, 7150), (275, 6838), (286, 6575), (325, 5786), (526, 3575), (550, 3419), (650, 2893), (715, 2630), (1315, 1430)]