221018800

素因数分解:

$2^4\times 5^2\times {\mathrm{683}}^1\times {\mathrm{809}}^1$

素因数の和:1510

約数の個数: 60

約数和(自身を含む): 532432440

約数和(自身を除く): 311413640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 683, 809, 1366, 1618, 2732, 3236, 3415, 4045, 5464, 6472, 6830, 8090, 10928, 12944, 13660, 16180, 17075, 20225, 27320, 32360, 34150, 40450, 54640, 64720, 68300, 80900, 136600, 161800, 273200, 323600, 552547, 1105094, 2210188, 2762735, 4420376, 5525470, 8840752, 11050940, 13813675, 22101880, 27627350, 44203760, 55254700, 110509400, 221018800]

約数ペア:

[(1, 221018800), (2, 110509400), (4, 55254700), (5, 44203760), (8, 27627350), (10, 22101880), (16, 13813675), (20, 11050940), (25, 8840752), (40, 5525470), (50, 4420376), (80, 2762735), (100, 2210188), (200, 1105094), (400, 552547), (683, 323600), (809, 273200), (1366, 161800), (1618, 136600), (2732, 80900), (3236, 68300), (3415, 64720), (4045, 54640), (5464, 40450), (6472, 34150), (6830, 32360), (8090, 27320), (10928, 20225), (12944, 17075), (13660, 16180)]