71689750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 148262400

約数和(自身を除く): 76572650

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 131, 199, 250, 262, 275, 398, 550, 655, 995, 1310, 1375, 1441, 1990, 2189, 2750, 2882, 3275, 4378, 4975, 6550, 7205, 9950, 10945, 14410, 16375, 21890, 24875, 26069, 32750, 36025, 49750, 52138, 54725, 72050, 109450, 130345, 180125, 260690, 273625, 286759, 360250, 547250, 573518, 651725, 1303450, 1433795, 2867590, 3258625, 6517250, 7168975, 14337950, 35844875, 71689750]

約数ペア:

[(1, 71689750), (2, 35844875), (5, 14337950), (10, 7168975), (11, 6517250), (22, 3258625), (25, 2867590), (50, 1433795), (55, 1303450), (110, 651725), (125, 573518), (131, 547250), (199, 360250), (250, 286759), (262, 273625), (275, 260690), (398, 180125), (550, 130345), (655, 109450), (995, 72050), (1310, 54725), (1375, 52138), (1441, 49750), (1990, 36025), (2189, 32750), (2750, 26069), (2882, 24875), (3275, 21890), (4378, 16375), (4975, 14410), (6550, 10945), (7205, 9950)]