2199450160

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{450707}}^1$

素因数の和:450781

約数の個数: 40

約数和(自身を含む): 5197564656

約数和(自身を除く): 2998114496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 450707, 901414, 1802828, 2253535, 3605656, 4507070, 7211312, 9014140, 18028280, 27493127, 36056560, 54986254, 109972508, 137465635, 219945016, 274931270, 439890032, 549862540, 1099725080, 2199450160]

約数ペア:

[(1, 2199450160), (2, 1099725080), (4, 549862540), (5, 439890032), (8, 274931270), (10, 219945016), (16, 137465635), (20, 109972508), (40, 54986254), (61, 36056560), (80, 27493127), (122, 18028280), (244, 9014140), (305, 7211312), (488, 4507070), (610, 3605656), (976, 2253535), (1220, 1802828), (2440, 901414), (4880, 450707)]