48659000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1$

素因数の和:250

約数の個数: 128

約数和(自身を含む): 129729600

約数和(自身を除く): 81070600

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 95, 100, 104, 125, 130, 152, 190, 197, 200, 247, 250, 260, 325, 380, 394, 475, 494, 500, 520, 650, 760, 788, 950, 985, 988, 1000, 1235, 1300, 1576, 1625, 1900, 1970, 1976, 2375, 2470, 2561, 2600, 3250, 3743, 3800, 3940, 4750, 4925, 4940, 5122, 6175, 6500, 7486, 7880, 9500, 9850, 9880, 10244, 12350, 12805, 13000, 14972, 18715, 19000, 19700, 20488, 24625, 24700, 25610, 29944, 30875, 37430, 39400, 48659, 49250, 49400, 51220, 61750, 64025, 74860, 93575, 97318, 98500, 102440, 123500, 128050, 149720, 187150, 194636, 197000, 243295, 247000, 256100, 320125, 374300, 389272, 467875, 486590, 512200, 640250, 748600, 935750, 973180, 1216475, 1280500, 1871500, 1946360, 2432950, 2561000, 3743000, 4865900, 6082375, 9731800, 12164750, 24329500, 48659000]

約数ペア:

[(1, 48659000), (2, 24329500), (4, 12164750), (5, 9731800), (8, 6082375), (10, 4865900), (13, 3743000), (19, 2561000), (20, 2432950), (25, 1946360), (26, 1871500), (38, 1280500), (40, 1216475), (50, 973180), (52, 935750), (65, 748600), (76, 640250), (95, 512200), (100, 486590), (104, 467875), (125, 389272), (130, 374300), (152, 320125), (190, 256100), (197, 247000), (200, 243295), (247, 197000), (250, 194636), (260, 187150), (325, 149720), (380, 128050), (394, 123500), (475, 102440), (494, 98500), (500, 97318), (520, 93575), (650, 74860), (760, 64025), (788, 61750), (950, 51220), (985, 49400), (988, 49250), (1000, 48659), (1235, 39400), (1300, 37430), (1576, 30875), (1625, 29944), (1900, 25610), (1970, 24700), (1976, 24625), (2375, 20488), (2470, 19700), (2561, 19000), (2600, 18715), (3250, 14972), (3743, 13000), (3800, 12805), (3940, 12350), (4750, 10244), (4925, 9880), (4940, 9850), (5122, 9500), (6175, 7880), (6500, 7486)]