128664200

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:740

約数の個数: 144

約数和(自身を含む): 366829200

約数和(自身を除く): 238165000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 49, 50, 56, 70, 76, 95, 98, 100, 133, 140, 152, 175, 190, 196, 200, 245, 266, 280, 350, 380, 392, 475, 490, 532, 665, 691, 700, 760, 931, 950, 980, 1064, 1225, 1330, 1382, 1400, 1862, 1900, 1960, 2450, 2660, 2764, 3325, 3455, 3724, 3800, 4655, 4837, 4900, 5320, 5528, 6650, 6910, 7448, 9310, 9674, 9800, 13129, 13300, 13820, 17275, 18620, 19348, 23275, 24185, 26258, 26600, 27640, 33859, 34550, 37240, 38696, 46550, 48370, 52516, 65645, 67718, 69100, 91903, 93100, 96740, 105032, 120925, 131290, 135436, 138200, 169295, 183806, 186200, 193480, 241850, 262580, 270872, 328225, 338590, 367612, 459515, 483700, 525160, 643321, 656450, 677180, 735224, 846475, 919030, 967400, 1286642, 1312900, 1354360, 1692950, 1838060, 2297575, 2573284, 2625800, 3216605, 3385900, 3676120, 4595150, 5146568, 6433210, 6771800, 9190300, 12866420, 16083025, 18380600, 25732840, 32166050, 64332100, 128664200]

約数ペア:

[(1, 128664200), (2, 64332100), (4, 32166050), (5, 25732840), (7, 18380600), (8, 16083025), (10, 12866420), (14, 9190300), (19, 6771800), (20, 6433210), (25, 5146568), (28, 4595150), (35, 3676120), (38, 3385900), (40, 3216605), (49, 2625800), (50, 2573284), (56, 2297575), (70, 1838060), (76, 1692950), (95, 1354360), (98, 1312900), (100, 1286642), (133, 967400), (140, 919030), (152, 846475), (175, 735224), (190, 677180), (196, 656450), (200, 643321), (245, 525160), (266, 483700), (280, 459515), (350, 367612), (380, 338590), (392, 328225), (475, 270872), (490, 262580), (532, 241850), (665, 193480), (691, 186200), (700, 183806), (760, 169295), (931, 138200), (950, 135436), (980, 131290), (1064, 120925), (1225, 105032), (1330, 96740), (1382, 93100), (1400, 91903), (1862, 69100), (1900, 67718), (1960, 65645), (2450, 52516), (2660, 48370), (2764, 46550), (3325, 38696), (3455, 37240), (3724, 34550), (3800, 33859), (4655, 27640), (4837, 26600), (4900, 26258), (5320, 24185), (5528, 23275), (6650, 19348), (6910, 18620), (7448, 17275), (9310, 13820), (9674, 13300), (9800, 13129)]