5681000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:76

約数の個数: 128

約数和(自身を含む): 15724800

約数和(自身を除く): 10043800

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 23, 25, 26, 38, 40, 46, 50, 52, 65, 76, 92, 95, 100, 104, 115, 125, 130, 152, 184, 190, 200, 230, 247, 250, 260, 299, 325, 380, 437, 460, 475, 494, 500, 520, 575, 598, 650, 760, 874, 920, 950, 988, 1000, 1150, 1196, 1235, 1300, 1495, 1625, 1748, 1900, 1976, 2185, 2300, 2375, 2392, 2470, 2600, 2875, 2990, 3250, 3496, 3800, 4370, 4600, 4750, 4940, 5681, 5750, 5980, 6175, 6500, 7475, 8740, 9500, 9880, 10925, 11362, 11500, 11960, 12350, 13000, 14950, 17480, 19000, 21850, 22724, 23000, 24700, 28405, 29900, 30875, 37375, 43700, 45448, 49400, 54625, 56810, 59800, 61750, 74750, 87400, 109250, 113620, 123500, 142025, 149500, 218500, 227240, 247000, 284050, 299000, 437000, 568100, 710125, 1136200, 1420250, 2840500, 5681000]

約数ペア:

[(1, 5681000), (2, 2840500), (4, 1420250), (5, 1136200), (8, 710125), (10, 568100), (13, 437000), (19, 299000), (20, 284050), (23, 247000), (25, 227240), (26, 218500), (38, 149500), (40, 142025), (46, 123500), (50, 113620), (52, 109250), (65, 87400), (76, 74750), (92, 61750), (95, 59800), (100, 56810), (104, 54625), (115, 49400), (125, 45448), (130, 43700), (152, 37375), (184, 30875), (190, 29900), (200, 28405), (230, 24700), (247, 23000), (250, 22724), (260, 21850), (299, 19000), (325, 17480), (380, 14950), (437, 13000), (460, 12350), (475, 11960), (494, 11500), (500, 11362), (520, 10925), (575, 9880), (598, 9500), (650, 8740), (760, 7475), (874, 6500), (920, 6175), (950, 5980), (988, 5750), (1000, 5681), (1150, 4940), (1196, 4750), (1235, 4600), (1300, 4370), (1495, 3800), (1625, 3496), (1748, 3250), (1900, 2990), (1976, 2875), (2185, 2600), (2300, 2470), (2375, 2392)]