9191000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1$

素因数の和:142

約数の個数: 128

約数和(自身を含む): 26732160

約数和(自身を除く): 17541160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 101, 104, 125, 130, 140, 175, 182, 200, 202, 250, 260, 280, 325, 350, 364, 404, 455, 500, 505, 520, 650, 700, 707, 728, 808, 875, 910, 1000, 1010, 1300, 1313, 1400, 1414, 1625, 1750, 1820, 2020, 2275, 2525, 2600, 2626, 2828, 3250, 3500, 3535, 3640, 4040, 4550, 5050, 5252, 5656, 6500, 6565, 7000, 7070, 9100, 9191, 10100, 10504, 11375, 12625, 13000, 13130, 14140, 17675, 18200, 18382, 20200, 22750, 25250, 26260, 28280, 32825, 35350, 36764, 45500, 45955, 50500, 52520, 65650, 70700, 73528, 88375, 91000, 91910, 101000, 131300, 141400, 164125, 176750, 183820, 229775, 262600, 328250, 353500, 367640, 459550, 656500, 707000, 919100, 1148875, 1313000, 1838200, 2297750, 4595500, 9191000]

約数ペア:

[(1, 9191000), (2, 4595500), (4, 2297750), (5, 1838200), (7, 1313000), (8, 1148875), (10, 919100), (13, 707000), (14, 656500), (20, 459550), (25, 367640), (26, 353500), (28, 328250), (35, 262600), (40, 229775), (50, 183820), (52, 176750), (56, 164125), (65, 141400), (70, 131300), (91, 101000), (100, 91910), (101, 91000), (104, 88375), (125, 73528), (130, 70700), (140, 65650), (175, 52520), (182, 50500), (200, 45955), (202, 45500), (250, 36764), (260, 35350), (280, 32825), (325, 28280), (350, 26260), (364, 25250), (404, 22750), (455, 20200), (500, 18382), (505, 18200), (520, 17675), (650, 14140), (700, 13130), (707, 13000), (728, 12625), (808, 11375), (875, 10504), (910, 10100), (1000, 9191), (1010, 9100), (1300, 7070), (1313, 7000), (1400, 6565), (1414, 6500), (1625, 5656), (1750, 5252), (1820, 5050), (2020, 4550), (2275, 4040), (2525, 3640), (2600, 3535), (2626, 3500), (2828, 3250)]