345877090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{1987}}^1$

素因数の和:2123

約数の個数: 48

約数和(自身を含む): 681041088

約数和(自身を除く): 335163998

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 169, 206, 338, 515, 845, 1030, 1339, 1690, 1987, 2678, 3974, 6695, 9935, 13390, 17407, 19870, 25831, 34814, 51662, 87035, 129155, 174070, 204661, 258310, 335803, 409322, 671606, 1023305, 1679015, 2046610, 2660593, 3358030, 5321186, 13302965, 26605930, 34587709, 69175418, 172938545, 345877090]

約数ペア:

[(1, 345877090), (2, 172938545), (5, 69175418), (10, 34587709), (13, 26605930), (26, 13302965), (65, 5321186), (103, 3358030), (130, 2660593), (169, 2046610), (206, 1679015), (338, 1023305), (515, 671606), (845, 409322), (1030, 335803), (1339, 258310), (1690, 204661), (1987, 174070), (2678, 129155), (3974, 87035), (6695, 51662), (9935, 34814), (13390, 25831), (17407, 19870)]