1380860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 3217536

約数和(自身を除く): 1836676

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 113, 130, 188, 226, 235, 260, 452, 470, 565, 611, 940, 1130, 1222, 1469, 2260, 2444, 2938, 3055, 5311, 5876, 6110, 7345, 10622, 12220, 14690, 21244, 26555, 29380, 53110, 69043, 106220, 138086, 276172, 345215, 690430, 1380860]

約数ペア:

[(1, 1380860), (2, 690430), (4, 345215), (5, 276172), (10, 138086), (13, 106220), (20, 69043), (26, 53110), (47, 29380), (52, 26555), (65, 21244), (94, 14690), (113, 12220), (130, 10622), (188, 7345), (226, 6110), (235, 5876), (260, 5311), (452, 3055), (470, 2938), (565, 2444), (611, 2260), (940, 1469), (1130, 1222)]