45220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:52

約数の個数: 48

約数和(自身を含む): 120960

約数和(自身を除く): 75740

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 19, 20, 28, 34, 35, 38, 68, 70, 76, 85, 95, 119, 133, 140, 170, 190, 238, 266, 323, 340, 380, 476, 532, 595, 646, 665, 1190, 1292, 1330, 1615, 2261, 2380, 2660, 3230, 4522, 6460, 9044, 11305, 22610, 45220]

約数ペア:

[(1, 45220), (2, 22610), (4, 11305), (5, 9044), (7, 6460), (10, 4522), (14, 3230), (17, 2660), (19, 2380), (20, 2261), (28, 1615), (34, 1330), (35, 1292), (38, 1190), (68, 665), (70, 646), (76, 595), (85, 532), (95, 476), (119, 380), (133, 340), (140, 323), (170, 266), (190, 238)]