1750904980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{20047}}^1$

素因数の和:20464

約数の個数: 48

約数和(自身を含む): 4021468416

約数和(自身を除く): 2270563436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 397, 794, 1588, 1985, 3970, 4367, 7940, 8734, 17468, 20047, 21835, 40094, 43670, 80188, 87340, 100235, 200470, 220517, 400940, 441034, 882068, 1102585, 2205170, 4410340, 7958659, 15917318, 31834636, 39793295, 79586590, 87545249, 159173180, 175090498, 350180996, 437726245, 875452490, 1750904980]

約数ペア:

[(1, 1750904980), (2, 875452490), (4, 437726245), (5, 350180996), (10, 175090498), (11, 159173180), (20, 87545249), (22, 79586590), (44, 39793295), (55, 31834636), (110, 15917318), (220, 7958659), (397, 4410340), (794, 2205170), (1588, 1102585), (1985, 882068), (3970, 441034), (4367, 400940), (7940, 220517), (8734, 200470), (17468, 100235), (20047, 87340), (21835, 80188), (40094, 43670)]