172679080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{4139}}^1$

素因数の和:4306

約数の個数: 64

約数和(自身を含む): 447120000

約数和(自身を除く): 274440920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2980, 4139, 4172, 5215, 5960, 8278, 8344, 10430, 16556, 20695, 20860, 28973, 33112, 41390, 41720, 57946, 82780, 115892, 144865, 165560, 231784, 289730, 579460, 616711, 1158920, 1233422, 2466844, 3083555, 4316977, 4933688, 6167110, 8633954, 12334220, 17267908, 21584885, 24668440, 34535816, 43169770, 86339540, 172679080]

約数ペア:

[(1, 172679080), (2, 86339540), (4, 43169770), (5, 34535816), (7, 24668440), (8, 21584885), (10, 17267908), (14, 12334220), (20, 8633954), (28, 6167110), (35, 4933688), (40, 4316977), (56, 3083555), (70, 2466844), (140, 1233422), (149, 1158920), (280, 616711), (298, 579460), (596, 289730), (745, 231784), (1043, 165560), (1192, 144865), (1490, 115892), (2086, 82780), (2980, 57946), (4139, 41720), (4172, 41390), (5215, 33112), (5960, 28973), (8278, 20860), (8344, 20695), (10430, 16556)]