200087440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{829}}^1$

素因数の和:1280

約数の個数: 80

約数和(自身を含む): 533537280

約数和(自身を除く): 333449840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 431, 560, 829, 862, 1658, 1724, 2155, 3017, 3316, 3448, 4145, 4310, 5803, 6034, 6632, 6896, 8290, 8620, 11606, 12068, 13264, 15085, 16580, 17240, 23212, 24136, 29015, 30170, 33160, 34480, 46424, 48272, 58030, 60340, 66320, 92848, 116060, 120680, 232120, 241360, 357299, 464240, 714598, 1429196, 1786495, 2501093, 2858392, 3572990, 5002186, 5716784, 7145980, 10004372, 12505465, 14291960, 20008744, 25010930, 28583920, 40017488, 50021860, 100043720, 200087440]

約数ペア:

[(1, 200087440), (2, 100043720), (4, 50021860), (5, 40017488), (7, 28583920), (8, 25010930), (10, 20008744), (14, 14291960), (16, 12505465), (20, 10004372), (28, 7145980), (35, 5716784), (40, 5002186), (56, 3572990), (70, 2858392), (80, 2501093), (112, 1786495), (140, 1429196), (280, 714598), (431, 464240), (560, 357299), (829, 241360), (862, 232120), (1658, 120680), (1724, 116060), (2155, 92848), (3017, 66320), (3316, 60340), (3448, 58030), (4145, 48272), (4310, 46424), (5803, 34480), (6034, 33160), (6632, 30170), (6896, 29015), (8290, 24136), (8620, 23212), (11606, 17240), (12068, 16580), (13264, 15085)]