202184920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1123}}^1$

素因数の和:1784

約数の個数: 64

約数和(自身を含む): 521176320

約数和(自身を除く): 318991400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 643, 1123, 1286, 2246, 2572, 3215, 4492, 4501, 5144, 5615, 6430, 7861, 8984, 9002, 11230, 12860, 15722, 18004, 22460, 22505, 25720, 31444, 36008, 39305, 44920, 45010, 62888, 78610, 90020, 157220, 180040, 314440, 722089, 1444178, 2888356, 3610445, 5054623, 5776712, 7220890, 10109246, 14441780, 20218492, 25273115, 28883560, 40436984, 50546230, 101092460, 202184920]

約数ペア:

[(1, 202184920), (2, 101092460), (4, 50546230), (5, 40436984), (7, 28883560), (8, 25273115), (10, 20218492), (14, 14441780), (20, 10109246), (28, 7220890), (35, 5776712), (40, 5054623), (56, 3610445), (70, 2888356), (140, 1444178), (280, 722089), (643, 314440), (1123, 180040), (1286, 157220), (2246, 90020), (2572, 78610), (3215, 62888), (4492, 45010), (4501, 44920), (5144, 39305), (5615, 36008), (6430, 31444), (7861, 25720), (8984, 22505), (9002, 22460), (11230, 18004), (12860, 15722)]