202022920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{9769}}^1$

素因数の和:9838

約数の個数: 64

約数和(自身を含む): 506476800

約数和(自身を除く): 304453880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1880, 2068, 2585, 4136, 5170, 9769, 10340, 19538, 20680, 39076, 48845, 78152, 97690, 107459, 195380, 214918, 390760, 429836, 459143, 537295, 859672, 918286, 1074590, 1836572, 2149180, 2295715, 3673144, 4298360, 4591430, 5050573, 9182860, 10101146, 18365720, 20202292, 25252865, 40404584, 50505730, 101011460, 202022920]

約数ペア:

[(1, 202022920), (2, 101011460), (4, 50505730), (5, 40404584), (8, 25252865), (10, 20202292), (11, 18365720), (20, 10101146), (22, 9182860), (40, 5050573), (44, 4591430), (47, 4298360), (55, 3673144), (88, 2295715), (94, 2149180), (110, 1836572), (188, 1074590), (220, 918286), (235, 859672), (376, 537295), (440, 459143), (470, 429836), (517, 390760), (940, 214918), (1034, 195380), (1880, 107459), (2068, 97690), (2585, 78152), (4136, 48845), (5170, 39076), (9769, 20680), (10340, 19538)]