2005647980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{754003}}^1$

素因数の和:754038

約数の個数: 48

約数和(自身を含む): 5066906880

約数和(自身を除く): 3061258900

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 754003, 1508006, 3016012, 3770015, 5278021, 7540030, 10556042, 14326057, 15080060, 21112084, 26390105, 28652114, 52780210, 57304228, 71630285, 100282399, 105560420, 143260570, 200564798, 286521140, 401129596, 501411995, 1002823990, 2005647980]

約数ペア:

[(1, 2005647980), (2, 1002823990), (4, 501411995), (5, 401129596), (7, 286521140), (10, 200564798), (14, 143260570), (19, 105560420), (20, 100282399), (28, 71630285), (35, 57304228), (38, 52780210), (70, 28652114), (76, 26390105), (95, 21112084), (133, 15080060), (140, 14326057), (190, 10556042), (266, 7540030), (380, 5278021), (532, 3770015), (665, 3016012), (1330, 1508006), (2660, 754003)]