1785446260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{18119}}^1$

素因数の和:18520

約数の個数: 48

約数和(自身を含む): 4048732800

約数和(自身を除く): 2263286540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 379, 758, 1516, 1895, 3790, 4927, 7580, 9854, 18119, 19708, 24635, 36238, 49270, 72476, 90595, 98540, 181190, 235547, 362380, 471094, 942188, 1177735, 2355470, 4710940, 6867101, 13734202, 27468404, 34335505, 68671010, 89272313, 137342020, 178544626, 357089252, 446361565, 892723130, 1785446260]

約数ペア:

[(1, 1785446260), (2, 892723130), (4, 446361565), (5, 357089252), (10, 178544626), (13, 137342020), (20, 89272313), (26, 68671010), (52, 34335505), (65, 27468404), (130, 13734202), (260, 6867101), (379, 4710940), (758, 2355470), (1516, 1177735), (1895, 942188), (3790, 471094), (4927, 362380), (7580, 235547), (9854, 181190), (18119, 98540), (19708, 90595), (24635, 72476), (36238, 49270)]