28050540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:109

約数の個数: 192

約数和(自身を含む): 96768000

約数和(自身を除く): 68717460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 47, 49, 58, 60, 70, 84, 87, 94, 98, 105, 116, 140, 141, 145, 147, 174, 188, 196, 203, 210, 235, 245, 282, 290, 294, 329, 343, 348, 406, 420, 435, 470, 490, 564, 580, 588, 609, 658, 686, 705, 735, 812, 870, 940, 980, 987, 1015, 1029, 1218, 1316, 1363, 1372, 1410, 1421, 1470, 1645, 1715, 1740, 1974, 2030, 2058, 2303, 2436, 2726, 2820, 2842, 2940, 3045, 3290, 3430, 3948, 4060, 4089, 4116, 4263, 4606, 4935, 5145, 5452, 5684, 6090, 6580, 6815, 6860, 6909, 7105, 8178, 8526, 9212, 9541, 9870, 9947, 10290, 11515, 12180, 13630, 13818, 14210, 16121, 16356, 17052, 19082, 19740, 19894, 20445, 20580, 21315, 23030, 27260, 27636, 28420, 28623, 29841, 32242, 34545, 38164, 39788, 40890, 42630, 46060, 47705, 48363, 49735, 57246, 59682, 64484, 66787, 69090, 80605, 81780, 85260, 95410, 96726, 99470, 114492, 119364, 133574, 138180, 143115, 149205, 161210, 190820, 193452, 198940, 200361, 241815, 267148, 286230, 298410, 322420, 333935, 400722, 467509, 483630, 572460, 596820, 667870, 801444, 935018, 967260, 1001805, 1335740, 1402527, 1870036, 2003610, 2337545, 2805054, 4007220, 4675090, 5610108, 7012635, 9350180, 14025270, 28050540]

約数ペア:

[(1, 28050540), (2, 14025270), (3, 9350180), (4, 7012635), (5, 5610108), (6, 4675090), (7, 4007220), (10, 2805054), (12, 2337545), (14, 2003610), (15, 1870036), (20, 1402527), (21, 1335740), (28, 1001805), (29, 967260), (30, 935018), (35, 801444), (42, 667870), (47, 596820), (49, 572460), (58, 483630), (60, 467509), (70, 400722), (84, 333935), (87, 322420), (94, 298410), (98, 286230), (105, 267148), (116, 241815), (140, 200361), (141, 198940), (145, 193452), (147, 190820), (174, 161210), (188, 149205), (196, 143115), (203, 138180), (210, 133574), (235, 119364), (245, 114492), (282, 99470), (290, 96726), (294, 95410), (329, 85260), (343, 81780), (348, 80605), (406, 69090), (420, 66787), (435, 64484), (470, 59682), (490, 57246), (564, 49735), (580, 48363), (588, 47705), (609, 46060), (658, 42630), (686, 40890), (705, 39788), (735, 38164), (812, 34545), (870, 32242), (940, 29841), (980, 28623), (987, 28420), (1015, 27636), (1029, 27260), (1218, 23030), (1316, 21315), (1363, 20580), (1372, 20445), (1410, 19894), (1421, 19740), (1470, 19082), (1645, 17052), (1715, 16356), (1740, 16121), (1974, 14210), (2030, 13818), (2058, 13630), (2303, 12180), (2436, 11515), (2726, 10290), (2820, 9947), (2842, 9870), (2940, 9541), (3045, 9212), (3290, 8526), (3430, 8178), (3948, 7105), (4060, 6909), (4089, 6860), (4116, 6815), (4263, 6580), (4606, 6090), (4935, 5684), (5145, 5452)]