289656420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{11467}}^1$

素因数の和:11900

約数の個数: 48

約数和(自身を含む): 813035328

約数和(自身を除く): 523378908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 421, 842, 1263, 1684, 2105, 2526, 4210, 5052, 6315, 8420, 11467, 12630, 22934, 25260, 34401, 45868, 57335, 68802, 114670, 137604, 172005, 229340, 344010, 688020, 4827607, 9655214, 14482821, 19310428, 24138035, 28965642, 48276070, 57931284, 72414105, 96552140, 144828210, 289656420]

約数ペア:

[(1, 289656420), (2, 144828210), (3, 96552140), (4, 72414105), (5, 57931284), (6, 48276070), (10, 28965642), (12, 24138035), (15, 19310428), (20, 14482821), (30, 9655214), (60, 4827607), (421, 688020), (842, 344010), (1263, 229340), (1684, 172005), (2105, 137604), (2526, 114670), (4210, 68802), (5052, 57335), (6315, 45868), (8420, 34401), (11467, 25260), (12630, 22934)]