221188860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{409609}}^1$

素因数の和:409627

約数の個数: 48

約数和(自身を含む): 688144800

約数和(自身を除く): 466955940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 409609, 819218, 1228827, 1638436, 2048045, 2457654, 3686481, 4096090, 4915308, 6144135, 7372962, 8192180, 11059443, 12288270, 14745924, 18432405, 22118886, 24576540, 36864810, 44237772, 55297215, 73729620, 110594430, 221188860]

約数ペア:

[(1, 221188860), (2, 110594430), (3, 73729620), (4, 55297215), (5, 44237772), (6, 36864810), (9, 24576540), (10, 22118886), (12, 18432405), (15, 14745924), (18, 12288270), (20, 11059443), (27, 8192180), (30, 7372962), (36, 6144135), (45, 4915308), (54, 4096090), (60, 3686481), (90, 2457654), (108, 2048045), (135, 1638436), (180, 1228827), (270, 819218), (540, 409609)]