20452915000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{311}}^1\times {\mathrm{1879}}^1$

素因数の和:2223

約数の個数: 160

約数和(自身を含む): 54972403200

約数和(自身を除く): 34519488200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 311, 350, 500, 622, 625, 700, 875, 1000, 1244, 1250, 1400, 1555, 1750, 1879, 2177, 2488, 2500, 3110, 3500, 3758, 4354, 4375, 5000, 6220, 7000, 7516, 7775, 8708, 8750, 9395, 10885, 12440, 13153, 15032, 15550, 17416, 17500, 18790, 21770, 26306, 31100, 35000, 37580, 38875, 43540, 46975, 52612, 54425, 62200, 65765, 75160, 77750, 87080, 93950, 105224, 108850, 131530, 155500, 187900, 194375, 217700, 234875, 263060, 272125, 311000, 328825, 375800, 388750, 435400, 469750, 526120, 544250, 584369, 657650, 777500, 939500, 1088500, 1168738, 1174375, 1315300, 1360625, 1555000, 1644125, 1879000, 2177000, 2337476, 2348750, 2630600, 2721250, 2921845, 3288250, 4090583, 4674952, 4697500, 5442500, 5843690, 6576500, 8181166, 8220625, 9395000, 10885000, 11687380, 13153000, 14609225, 16362332, 16441250, 20452915, 23374760, 29218450, 32724664, 32882500, 40905830, 58436900, 65765000, 73046125, 81811660, 102264575, 116873800, 146092250, 163623320, 204529150, 292184500, 365230625, 409058300, 511322875, 584369000, 730461250, 818116600, 1022645750, 1460922500, 2045291500, 2556614375, 2921845000, 4090583000, 5113228750, 10226457500, 20452915000]

約数ペア:

[(1, 20452915000), (2, 10226457500), (4, 5113228750), (5, 4090583000), (7, 2921845000), (8, 2556614375), (10, 2045291500), (14, 1460922500), (20, 1022645750), (25, 818116600), (28, 730461250), (35, 584369000), (40, 511322875), (50, 409058300), (56, 365230625), (70, 292184500), (100, 204529150), (125, 163623320), (140, 146092250), (175, 116873800), (200, 102264575), (250, 81811660), (280, 73046125), (311, 65765000), (350, 58436900), (500, 40905830), (622, 32882500), (625, 32724664), (700, 29218450), (875, 23374760), (1000, 20452915), (1244, 16441250), (1250, 16362332), (1400, 14609225), (1555, 13153000), (1750, 11687380), (1879, 10885000), (2177, 9395000), (2488, 8220625), (2500, 8181166), (3110, 6576500), (3500, 5843690), (3758, 5442500), (4354, 4697500), (4375, 4674952), (5000, 4090583), (6220, 3288250), (7000, 2921845), (7516, 2721250), (7775, 2630600), (8708, 2348750), (8750, 2337476), (9395, 2177000), (10885, 1879000), (12440, 1644125), (13153, 1555000), (15032, 1360625), (15550, 1315300), (17416, 1174375), (17500, 1168738), (18790, 1088500), (21770, 939500), (26306, 777500), (31100, 657650), (35000, 584369), (37580, 544250), (38875, 526120), (43540, 469750), (46975, 435400), (52612, 388750), (54425, 375800), (62200, 328825), (65765, 311000), (75160, 272125), (77750, 263060), (87080, 234875), (93950, 217700), (105224, 194375), (108850, 187900), (131530, 155500)]