647470030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2971}}^1$

素因数の和:3065

約数の個数: 64

約数和(自身を含む): 1301022720

約数和(自身を除く): 653552690

約数列:

[1, 2, 5, 10, 19, 31, 37, 38, 62, 74, 95, 155, 185, 190, 310, 370, 589, 703, 1147, 1178, 1406, 2294, 2945, 2971, 3515, 5735, 5890, 5942, 7030, 11470, 14855, 21793, 29710, 43586, 56449, 92101, 108965, 109927, 112898, 184202, 217930, 219854, 282245, 460505, 549635, 564490, 921010, 1099270, 1749919, 2088613, 3407737, 3499838, 4177226, 6815474, 8749595, 10443065, 17038685, 17499190, 20886130, 34077370, 64747003, 129494006, 323735015, 647470030]

約数ペア:

[(1, 647470030), (2, 323735015), (5, 129494006), (10, 64747003), (19, 34077370), (31, 20886130), (37, 17499190), (38, 17038685), (62, 10443065), (74, 8749595), (95, 6815474), (155, 4177226), (185, 3499838), (190, 3407737), (310, 2088613), (370, 1749919), (589, 1099270), (703, 921010), (1147, 564490), (1178, 549635), (1406, 460505), (2294, 282245), (2945, 219854), (2971, 217930), (3515, 184202), (5735, 112898), (5890, 109927), (5942, 108965), (7030, 92101), (11470, 56449), (14855, 43586), (21793, 29710)]