5420220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6949}}^1$

素因数の和:6974

約数の個数: 48

約数和(自身を含む): 16346400

約数和(自身を除く): 10926180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 6949, 13898, 20847, 27796, 34745, 41694, 69490, 83388, 90337, 104235, 138980, 180674, 208470, 271011, 361348, 416940, 451685, 542022, 903370, 1084044, 1355055, 1806740, 2710110, 5420220]

約数ペア:

[(1, 5420220), (2, 2710110), (3, 1806740), (4, 1355055), (5, 1084044), (6, 903370), (10, 542022), (12, 451685), (13, 416940), (15, 361348), (20, 271011), (26, 208470), (30, 180674), (39, 138980), (52, 104235), (60, 90337), (65, 83388), (78, 69490), (130, 41694), (156, 34745), (195, 27796), (260, 20847), (390, 13898), (780, 6949)]