223840720

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{45869}}^1$

素因数の和:45943

約数の個数: 40

約数和(自身を含む): 528972840

約数和(自身を除く): 305132120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 45869, 91738, 183476, 229345, 366952, 458690, 733904, 917380, 1834760, 2798009, 3669520, 5596018, 11192036, 13990045, 22384072, 27980090, 44768144, 55960180, 111920360, 223840720]

約数ペア:

[(1, 223840720), (2, 111920360), (4, 55960180), (5, 44768144), (8, 27980090), (10, 22384072), (16, 13990045), (20, 11192036), (40, 5596018), (61, 3669520), (80, 2798009), (122, 1834760), (244, 917380), (305, 733904), (488, 458690), (610, 366952), (976, 229345), (1220, 183476), (2440, 91738), (4880, 45869)]