1771900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 4374720

約数和(自身を除く): 2602820

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 47, 50, 52, 58, 65, 94, 100, 116, 130, 145, 188, 235, 260, 290, 325, 377, 470, 580, 611, 650, 725, 754, 940, 1175, 1222, 1300, 1363, 1450, 1508, 1885, 2350, 2444, 2726, 2900, 3055, 3770, 4700, 5452, 6110, 6815, 7540, 9425, 12220, 13630, 15275, 17719, 18850, 27260, 30550, 34075, 35438, 37700, 61100, 68150, 70876, 88595, 136300, 177190, 354380, 442975, 885950, 1771900]

約数ペア:

[(1, 1771900), (2, 885950), (4, 442975), (5, 354380), (10, 177190), (13, 136300), (20, 88595), (25, 70876), (26, 68150), (29, 61100), (47, 37700), (50, 35438), (52, 34075), (58, 30550), (65, 27260), (94, 18850), (100, 17719), (116, 15275), (130, 13630), (145, 12220), (188, 9425), (235, 7540), (260, 6815), (290, 6110), (325, 5452), (377, 4700), (470, 3770), (580, 3055), (611, 2900), (650, 2726), (725, 2444), (754, 2350), (940, 1885), (1175, 1508), (1222, 1450), (1300, 1363)]