218686443920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{887}}^1\times {\mathrm{440261}}^1$

素因数の和:441168

約数の個数: 80

約数和(自身を含む): 581737552128

約数和(自身を除く): 363051108208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 887, 1774, 3548, 4435, 6209, 7096, 8870, 12418, 14192, 17740, 24836, 31045, 35480, 49672, 62090, 70960, 99344, 124180, 248360, 440261, 496720, 880522, 1761044, 2201305, 3081827, 3522088, 4402610, 6163654, 7044176, 8805220, 12327308, 15409135, 17610440, 24654616, 30818270, 35220880, 49309232, 61636540, 123273080, 246546160, 390511507, 781023014, 1562046028, 1952557535, 2733580549, 3124092056, 3905115070, 5467161098, 6248184112, 7810230140, 10934322196, 13667902745, 15620460280, 21868644392, 27335805490, 31240920560, 43737288784, 54671610980, 109343221960, 218686443920]

約数ペア:

[(1, 218686443920), (2, 109343221960), (4, 54671610980), (5, 43737288784), (7, 31240920560), (8, 27335805490), (10, 21868644392), (14, 15620460280), (16, 13667902745), (20, 10934322196), (28, 7810230140), (35, 6248184112), (40, 5467161098), (56, 3905115070), (70, 3124092056), (80, 2733580549), (112, 1952557535), (140, 1562046028), (280, 781023014), (560, 390511507), (887, 246546160), (1774, 123273080), (3548, 61636540), (4435, 49309232), (6209, 35220880), (7096, 30818270), (8870, 24654616), (12418, 17610440), (14192, 15409135), (17740, 12327308), (24836, 8805220), (31045, 7044176), (35480, 6163654), (49672, 4402610), (62090, 3522088), (70960, 3081827), (99344, 2201305), (124180, 1761044), (248360, 880522), (440261, 496720)]