71349220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1423}}^1$

素因数の和:1564

約数の個数: 48

約数和(自身を含む): 157893120

約数和(自身を除く): 86543900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 109, 115, 218, 230, 436, 460, 545, 1090, 1423, 2180, 2507, 2846, 5014, 5692, 7115, 10028, 12535, 14230, 25070, 28460, 32729, 50140, 65458, 130916, 155107, 163645, 310214, 327290, 620428, 654580, 775535, 1551070, 3102140, 3567461, 7134922, 14269844, 17837305, 35674610, 71349220]

約数ペア:

[(1, 71349220), (2, 35674610), (4, 17837305), (5, 14269844), (10, 7134922), (20, 3567461), (23, 3102140), (46, 1551070), (92, 775535), (109, 654580), (115, 620428), (218, 327290), (230, 310214), (436, 163645), (460, 155107), (545, 130916), (1090, 65458), (1423, 50140), (2180, 32729), (2507, 28460), (2846, 25070), (5014, 14230), (5692, 12535), (7115, 10028)]