156720340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{761}}^1\times {\mathrm{1471}}^1$

素因数の和:2248

約数の個数: 48

約数和(自身を含む): 376879104

約数和(自身を除く): 220158764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 761, 1471, 1522, 2942, 3044, 3805, 5327, 5884, 7355, 7610, 10297, 10654, 14710, 15220, 20594, 21308, 26635, 29420, 41188, 51485, 53270, 102970, 106540, 205940, 1119431, 2238862, 4477724, 5597155, 7836017, 11194310, 15672034, 22388620, 31344068, 39180085, 78360170, 156720340]

約数ペア:

[(1, 156720340), (2, 78360170), (4, 39180085), (5, 31344068), (7, 22388620), (10, 15672034), (14, 11194310), (20, 7836017), (28, 5597155), (35, 4477724), (70, 2238862), (140, 1119431), (761, 205940), (1471, 106540), (1522, 102970), (2942, 53270), (3044, 51485), (3805, 41188), (5327, 29420), (5884, 26635), (7355, 21308), (7610, 20594), (10297, 15220), (10654, 14710)]