405790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:73

約数の個数: 64

約数和(自身を含む): 995328

約数和(自身を除く): 589538

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 31, 34, 35, 55, 62, 70, 77, 85, 110, 119, 154, 155, 170, 187, 217, 238, 310, 341, 374, 385, 434, 527, 595, 682, 770, 935, 1054, 1085, 1190, 1309, 1705, 1870, 2170, 2387, 2618, 2635, 3410, 3689, 4774, 5270, 5797, 6545, 7378, 11594, 11935, 13090, 18445, 23870, 28985, 36890, 40579, 57970, 81158, 202895, 405790]

約数ペア:

[(1, 405790), (2, 202895), (5, 81158), (7, 57970), (10, 40579), (11, 36890), (14, 28985), (17, 23870), (22, 18445), (31, 13090), (34, 11935), (35, 11594), (55, 7378), (62, 6545), (70, 5797), (77, 5270), (85, 4774), (110, 3689), (119, 3410), (154, 2635), (155, 2618), (170, 2387), (187, 2170), (217, 1870), (238, 1705), (310, 1309), (341, 1190), (374, 1085), (385, 1054), (434, 935), (527, 770), (595, 682)]