890221700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{1223}}^1$

素因数の和:1517

約数の個数: 72

約数和(自身を含む): 2007996480

約数和(自身を除く): 1117774780

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 251, 290, 502, 580, 725, 1004, 1223, 1255, 1450, 2446, 2510, 2900, 4892, 5020, 6115, 6275, 7279, 12230, 12550, 14558, 24460, 25100, 29116, 30575, 35467, 36395, 61150, 70934, 72790, 122300, 141868, 145580, 177335, 181975, 306973, 354670, 363950, 613946, 709340, 727900, 886675, 1227892, 1534865, 1773350, 3069730, 3546700, 6139460, 7674325, 8902217, 15348650, 17804434, 30697300, 35608868, 44511085, 89022170, 178044340, 222555425, 445110850, 890221700]

約数ペア:

[(1, 890221700), (2, 445110850), (4, 222555425), (5, 178044340), (10, 89022170), (20, 44511085), (25, 35608868), (29, 30697300), (50, 17804434), (58, 15348650), (100, 8902217), (116, 7674325), (145, 6139460), (251, 3546700), (290, 3069730), (502, 1773350), (580, 1534865), (725, 1227892), (1004, 886675), (1223, 727900), (1255, 709340), (1450, 613946), (2446, 363950), (2510, 354670), (2900, 306973), (4892, 181975), (5020, 177335), (6115, 145580), (6275, 141868), (7279, 122300), (12230, 72790), (12550, 70934), (14558, 61150), (24460, 36395), (25100, 35467), (29116, 30575)]