84809620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{12889}}^1$

素因数の和:12952

約数の個数: 48

約数和(自身を含む): 207889920

約数和(自身を除く): 123080300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 12889, 25778, 51556, 64445, 90223, 128890, 180446, 257780, 360892, 451115, 605783, 902230, 1211566, 1804460, 2423132, 3028915, 4240481, 6057830, 8480962, 12115660, 16961924, 21202405, 42404810, 84809620]

約数ペア:

[(1, 84809620), (2, 42404810), (4, 21202405), (5, 16961924), (7, 12115660), (10, 8480962), (14, 6057830), (20, 4240481), (28, 3028915), (35, 2423132), (47, 1804460), (70, 1211566), (94, 902230), (140, 605783), (188, 451115), (235, 360892), (329, 257780), (470, 180446), (658, 128890), (940, 90223), (1316, 64445), (1645, 51556), (3290, 25778), (6580, 12889)]