2015219990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{7933}}^1$

素因数の和:8157

約数の個数: 64

約数和(自身を含む): 4387184640

約数和(自身を除く): 2371964650

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 191, 266, 382, 665, 955, 1330, 1337, 1910, 2674, 3629, 6685, 7258, 7933, 13370, 15866, 18145, 25403, 36290, 39665, 50806, 55531, 79330, 111062, 127015, 150727, 254030, 277655, 301454, 555310, 753635, 1055089, 1507270, 1515203, 2110178, 3030406, 5275445, 7576015, 10550890, 10606421, 15152030, 21212842, 28788857, 53032105, 57577714, 106064210, 143944285, 201521999, 287888570, 403043998, 1007609995, 2015219990]

約数ペア:

[(1, 2015219990), (2, 1007609995), (5, 403043998), (7, 287888570), (10, 201521999), (14, 143944285), (19, 106064210), (35, 57577714), (38, 53032105), (70, 28788857), (95, 21212842), (133, 15152030), (190, 10606421), (191, 10550890), (266, 7576015), (382, 5275445), (665, 3030406), (955, 2110178), (1330, 1515203), (1337, 1507270), (1910, 1055089), (2674, 753635), (3629, 555310), (6685, 301454), (7258, 277655), (7933, 254030), (13370, 150727), (15866, 127015), (18145, 111062), (25403, 79330), (36290, 55531), (39665, 50806)]