328538000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:818

約数の個数: 160

約数和(自身を含む): 938416128

約数和(自身を除く): 609878128

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 80, 100, 112, 124, 125, 140, 155, 175, 200, 217, 248, 250, 280, 310, 350, 400, 434, 496, 500, 560, 620, 700, 757, 775, 868, 875, 1000, 1085, 1240, 1400, 1514, 1550, 1736, 1750, 2000, 2170, 2480, 2800, 3028, 3100, 3472, 3500, 3785, 3875, 4340, 5299, 5425, 6056, 6200, 7000, 7570, 7750, 8680, 10598, 10850, 12112, 12400, 14000, 15140, 15500, 17360, 18925, 21196, 21700, 23467, 26495, 27125, 30280, 31000, 37850, 42392, 43400, 46934, 52990, 54250, 60560, 62000, 75700, 84784, 86800, 93868, 94625, 105980, 108500, 117335, 132475, 151400, 164269, 187736, 189250, 211960, 217000, 234670, 264950, 302800, 328538, 375472, 378500, 423920, 434000, 469340, 529900, 586675, 657076, 662375, 757000, 821345, 938680, 1059800, 1173350, 1314152, 1324750, 1514000, 1642690, 1877360, 2119600, 2346700, 2628304, 2649500, 2933375, 3285380, 4106725, 4693400, 5299000, 5866750, 6570760, 8213450, 9386800, 10598000, 11733500, 13141520, 16426900, 20533625, 23467000, 32853800, 41067250, 46934000, 65707600, 82134500, 164269000, 328538000]

約数ペア:

[(1, 328538000), (2, 164269000), (4, 82134500), (5, 65707600), (7, 46934000), (8, 41067250), (10, 32853800), (14, 23467000), (16, 20533625), (20, 16426900), (25, 13141520), (28, 11733500), (31, 10598000), (35, 9386800), (40, 8213450), (50, 6570760), (56, 5866750), (62, 5299000), (70, 4693400), (80, 4106725), (100, 3285380), (112, 2933375), (124, 2649500), (125, 2628304), (140, 2346700), (155, 2119600), (175, 1877360), (200, 1642690), (217, 1514000), (248, 1324750), (250, 1314152), (280, 1173350), (310, 1059800), (350, 938680), (400, 821345), (434, 757000), (496, 662375), (500, 657076), (560, 586675), (620, 529900), (700, 469340), (757, 434000), (775, 423920), (868, 378500), (875, 375472), (1000, 328538), (1085, 302800), (1240, 264950), (1400, 234670), (1514, 217000), (1550, 211960), (1736, 189250), (1750, 187736), (2000, 164269), (2170, 151400), (2480, 132475), (2800, 117335), (3028, 108500), (3100, 105980), (3472, 94625), (3500, 93868), (3785, 86800), (3875, 84784), (4340, 75700), (5299, 62000), (5425, 60560), (6056, 54250), (6200, 52990), (7000, 46934), (7570, 43400), (7750, 42392), (8680, 37850), (10598, 31000), (10850, 30280), (12112, 27125), (12400, 26495), (14000, 23467), (15140, 21700), (15500, 21196), (17360, 18925)]