2079437500

素因数分解:

$2^2\times 5^6\times 7^3\times {\mathrm{97}}^1$

素因数の和:152

約数の個数: 168

約数和(自身を含む): 5359306400

約数和(自身を除く): 3279868900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 97, 98, 100, 125, 140, 175, 194, 196, 245, 250, 343, 350, 388, 485, 490, 500, 625, 679, 686, 700, 875, 970, 980, 1225, 1250, 1358, 1372, 1715, 1750, 1940, 2425, 2450, 2500, 2716, 3125, 3395, 3430, 3500, 4375, 4753, 4850, 4900, 6125, 6250, 6790, 6860, 8575, 8750, 9506, 9700, 12125, 12250, 12500, 13580, 15625, 16975, 17150, 17500, 19012, 21875, 23765, 24250, 24500, 30625, 31250, 33271, 33950, 34300, 42875, 43750, 47530, 48500, 60625, 61250, 62500, 66542, 67900, 84875, 85750, 87500, 95060, 109375, 118825, 121250, 122500, 133084, 153125, 166355, 169750, 171500, 214375, 218750, 237650, 242500, 303125, 306250, 332710, 339500, 424375, 428750, 437500, 475300, 594125, 606250, 612500, 665420, 765625, 831775, 848750, 857500, 1071875, 1188250, 1212500, 1515625, 1531250, 1663550, 1697500, 2121875, 2143750, 2376500, 2970625, 3031250, 3062500, 3327100, 4158875, 4243750, 4287500, 5359375, 5941250, 6062500, 8317750, 8487500, 10609375, 10718750, 11882500, 14853125, 16635500, 20794375, 21218750, 21437500, 29706250, 41588750, 42437500, 59412500, 74265625, 83177500, 103971875, 148531250, 207943750, 297062500, 415887500, 519859375, 1039718750, 2079437500]

約数ペア:

[(1, 2079437500), (2, 1039718750), (4, 519859375), (5, 415887500), (7, 297062500), (10, 207943750), (14, 148531250), (20, 103971875), (25, 83177500), (28, 74265625), (35, 59412500), (49, 42437500), (50, 41588750), (70, 29706250), (97, 21437500), (98, 21218750), (100, 20794375), (125, 16635500), (140, 14853125), (175, 11882500), (194, 10718750), (196, 10609375), (245, 8487500), (250, 8317750), (343, 6062500), (350, 5941250), (388, 5359375), (485, 4287500), (490, 4243750), (500, 4158875), (625, 3327100), (679, 3062500), (686, 3031250), (700, 2970625), (875, 2376500), (970, 2143750), (980, 2121875), (1225, 1697500), (1250, 1663550), (1358, 1531250), (1372, 1515625), (1715, 1212500), (1750, 1188250), (1940, 1071875), (2425, 857500), (2450, 848750), (2500, 831775), (2716, 765625), (3125, 665420), (3395, 612500), (3430, 606250), (3500, 594125), (4375, 475300), (4753, 437500), (4850, 428750), (4900, 424375), (6125, 339500), (6250, 332710), (6790, 306250), (6860, 303125), (8575, 242500), (8750, 237650), (9506, 218750), (9700, 214375), (12125, 171500), (12250, 169750), (12500, 166355), (13580, 153125), (15625, 133084), (16975, 122500), (17150, 121250), (17500, 118825), (19012, 109375), (21875, 95060), (23765, 87500), (24250, 85750), (24500, 84875), (30625, 67900), (31250, 66542), (33271, 62500), (33950, 61250), (34300, 60625), (42875, 48500), (43750, 47530)]