2005649860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{587}}^1$

素因数の和:805

約数の個数: 96

約数和(自身を含む): 4498623360

約数和(自身を除く): 2492973500

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 137, 145, 172, 215, 274, 290, 430, 548, 580, 587, 685, 860, 1174, 1247, 1370, 2348, 2494, 2740, 2935, 3973, 4988, 5870, 5891, 6235, 7946, 11740, 11782, 12470, 15892, 17023, 19865, 23564, 24940, 25241, 29455, 34046, 39730, 50482, 58910, 68092, 79460, 80419, 85115, 100964, 117820, 126205, 160838, 170230, 170839, 252410, 321676, 340460, 341678, 402095, 504820, 683356, 731989, 804190, 854195, 1463978, 1608380, 1708390, 2332151, 2927956, 3416780, 3458017, 3659945, 4664302, 6916034, 7319890, 9328604, 11660755, 13832068, 14639780, 17290085, 23321510, 34580170, 46643020, 69160340, 100282493, 200564986, 401129972, 501412465, 1002824930, 2005649860]

約数ペア:

[(1, 2005649860), (2, 1002824930), (4, 501412465), (5, 401129972), (10, 200564986), (20, 100282493), (29, 69160340), (43, 46643020), (58, 34580170), (86, 23321510), (116, 17290085), (137, 14639780), (145, 13832068), (172, 11660755), (215, 9328604), (274, 7319890), (290, 6916034), (430, 4664302), (548, 3659945), (580, 3458017), (587, 3416780), (685, 2927956), (860, 2332151), (1174, 1708390), (1247, 1608380), (1370, 1463978), (2348, 854195), (2494, 804190), (2740, 731989), (2935, 683356), (3973, 504820), (4988, 402095), (5870, 341678), (5891, 340460), (6235, 321676), (7946, 252410), (11740, 170839), (11782, 170230), (12470, 160838), (15892, 126205), (17023, 117820), (19865, 100964), (23564, 85115), (24940, 80419), (25241, 79460), (29455, 68092), (34046, 58910), (39730, 50482)]