858730000

素因数分解:

$2^4\times 5^4\times {\mathrm{79}}^1\times {\mathrm{1087}}^1$

素因数の和:1194

約数の個数: 100

約数和(自身を含む): 2107325440

約数和(自身を除く): 1248595440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 125, 158, 200, 250, 316, 395, 400, 500, 625, 632, 790, 1000, 1087, 1250, 1264, 1580, 1975, 2000, 2174, 2500, 3160, 3950, 4348, 5000, 5435, 6320, 7900, 8696, 9875, 10000, 10870, 15800, 17392, 19750, 21740, 27175, 31600, 39500, 43480, 49375, 54350, 79000, 85873, 86960, 98750, 108700, 135875, 158000, 171746, 197500, 217400, 271750, 343492, 395000, 429365, 434800, 543500, 679375, 686984, 790000, 858730, 1087000, 1358750, 1373968, 1717460, 2146825, 2174000, 2717500, 3434920, 4293650, 5435000, 6869840, 8587300, 10734125, 10870000, 17174600, 21468250, 34349200, 42936500, 53670625, 85873000, 107341250, 171746000, 214682500, 429365000, 858730000]

約数ペア:

[(1, 858730000), (2, 429365000), (4, 214682500), (5, 171746000), (8, 107341250), (10, 85873000), (16, 53670625), (20, 42936500), (25, 34349200), (40, 21468250), (50, 17174600), (79, 10870000), (80, 10734125), (100, 8587300), (125, 6869840), (158, 5435000), (200, 4293650), (250, 3434920), (316, 2717500), (395, 2174000), (400, 2146825), (500, 1717460), (625, 1373968), (632, 1358750), (790, 1087000), (1000, 858730), (1087, 790000), (1250, 686984), (1264, 679375), (1580, 543500), (1975, 434800), (2000, 429365), (2174, 395000), (2500, 343492), (3160, 271750), (3950, 217400), (4348, 197500), (5000, 171746), (5435, 158000), (6320, 135875), (7900, 108700), (8696, 98750), (9875, 86960), (10000, 85873), (10870, 79000), (15800, 54350), (17392, 49375), (19750, 43480), (21740, 39500), (27175, 31600)]