870834280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{22013}}^1$

素因数の和:22090

約数の個数: 64

約数和(自身を含む): 2092210560

約数和(自身を除く): 1221376280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1720, 1978, 3956, 4945, 7912, 9890, 19780, 22013, 39560, 44026, 88052, 110065, 176104, 220130, 440260, 506299, 880520, 946559, 1012598, 1893118, 2025196, 2531495, 3786236, 4050392, 4732795, 5062990, 7572472, 9465590, 10125980, 18931180, 20251960, 21770857, 37862360, 43541714, 87083428, 108854285, 174166856, 217708570, 435417140, 870834280]

約数ペア:

[(1, 870834280), (2, 435417140), (4, 217708570), (5, 174166856), (8, 108854285), (10, 87083428), (20, 43541714), (23, 37862360), (40, 21770857), (43, 20251960), (46, 18931180), (86, 10125980), (92, 9465590), (115, 7572472), (172, 5062990), (184, 4732795), (215, 4050392), (230, 3786236), (344, 2531495), (430, 2025196), (460, 1893118), (860, 1012598), (920, 946559), (989, 880520), (1720, 506299), (1978, 440260), (3956, 220130), (4945, 176104), (7912, 110065), (9890, 88052), (19780, 44026), (22013, 39560)]