195781980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{141871}}^1$

素因数の和:141906

約数の個数: 48

約数和(自身を含む): 572027904

約数和(自身を除く): 376245924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 141871, 283742, 425613, 567484, 709355, 851226, 1418710, 1702452, 2128065, 2837420, 3263033, 4256130, 6526066, 8512260, 9789099, 13052132, 16315165, 19578198, 32630330, 39156396, 48945495, 65260660, 97890990, 195781980]

約数ペア:

[(1, 195781980), (2, 97890990), (3, 65260660), (4, 48945495), (5, 39156396), (6, 32630330), (10, 19578198), (12, 16315165), (15, 13052132), (20, 9789099), (23, 8512260), (30, 6526066), (46, 4256130), (60, 3263033), (69, 2837420), (92, 2128065), (115, 1702452), (138, 1418710), (230, 851226), (276, 709355), (345, 567484), (460, 425613), (690, 283742), (1380, 141871)]