42257140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1823}}^1$

素因数の和:1912

約数の個数: 48

約数和(自身を含む): 94993920

約数和(自身を除く): 52736780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 1159, 1220, 1823, 2318, 3646, 4636, 5795, 7292, 9115, 11590, 18230, 23180, 34637, 36460, 69274, 111203, 138548, 173185, 222406, 346370, 444812, 556015, 692740, 1112030, 2112857, 2224060, 4225714, 8451428, 10564285, 21128570, 42257140]

約数ペア:

[(1, 42257140), (2, 21128570), (4, 10564285), (5, 8451428), (10, 4225714), (19, 2224060), (20, 2112857), (38, 1112030), (61, 692740), (76, 556015), (95, 444812), (122, 346370), (190, 222406), (244, 173185), (305, 138548), (380, 111203), (610, 69274), (1159, 36460), (1220, 34637), (1823, 23180), (2318, 18230), (3646, 11590), (4636, 9115), (5795, 7292)]