142728140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{3371}}^1$

素因数の和:3482

約数の個数: 48

約数和(自身を含む): 314405280

約数和(自身を除く): 171677140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 73, 116, 145, 146, 290, 292, 365, 580, 730, 1460, 2117, 3371, 4234, 6742, 8468, 10585, 13484, 16855, 21170, 33710, 42340, 67420, 97759, 195518, 246083, 391036, 488795, 492166, 977590, 984332, 1230415, 1955180, 2460830, 4921660, 7136407, 14272814, 28545628, 35682035, 71364070, 142728140]

約数ペア:

[(1, 142728140), (2, 71364070), (4, 35682035), (5, 28545628), (10, 14272814), (20, 7136407), (29, 4921660), (58, 2460830), (73, 1955180), (116, 1230415), (145, 984332), (146, 977590), (290, 492166), (292, 488795), (365, 391036), (580, 246083), (730, 195518), (1460, 97759), (2117, 67420), (3371, 42340), (4234, 33710), (6742, 21170), (8468, 16855), (10585, 13484)]