4305140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 11031552

約数和(自身を除く): 6726412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 191, 196, 230, 245, 322, 382, 460, 490, 644, 764, 805, 955, 980, 1127, 1337, 1610, 1910, 2254, 2674, 3220, 3820, 4393, 4508, 5348, 5635, 6685, 8786, 9359, 11270, 13370, 17572, 18718, 21965, 22540, 26740, 30751, 37436, 43930, 46795, 61502, 87860, 93590, 123004, 153755, 187180, 215257, 307510, 430514, 615020, 861028, 1076285, 2152570, 4305140]

約数ペア:

[(1, 4305140), (2, 2152570), (4, 1076285), (5, 861028), (7, 615020), (10, 430514), (14, 307510), (20, 215257), (23, 187180), (28, 153755), (35, 123004), (46, 93590), (49, 87860), (70, 61502), (92, 46795), (98, 43930), (115, 37436), (140, 30751), (161, 26740), (191, 22540), (196, 21965), (230, 18718), (245, 17572), (322, 13370), (382, 11270), (460, 9359), (490, 8786), (644, 6685), (764, 5635), (805, 5348), (955, 4508), (980, 4393), (1127, 3820), (1337, 3220), (1610, 2674), (1910, 2254)]