2009386540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{20771}}^1$

素因数の和:21478

約数の個数: 48

約数和(自身を含む): 4829739264

約数和(自身を除く): 2820352724

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 691, 1382, 2764, 3455, 4837, 6910, 9674, 13820, 19348, 20771, 24185, 41542, 48370, 83084, 96740, 103855, 145397, 207710, 290794, 415420, 581588, 726985, 1453970, 2907940, 14352761, 28705522, 57411044, 71763805, 100469327, 143527610, 200938654, 287055220, 401877308, 502346635, 1004693270, 2009386540]

約数ペア:

[(1, 2009386540), (2, 1004693270), (4, 502346635), (5, 401877308), (7, 287055220), (10, 200938654), (14, 143527610), (20, 100469327), (28, 71763805), (35, 57411044), (70, 28705522), (140, 14352761), (691, 2907940), (1382, 1453970), (2764, 726985), (3455, 581588), (4837, 415420), (6910, 290794), (9674, 207710), (13820, 145397), (19348, 103855), (20771, 96740), (24185, 83084), (41542, 48370)]