388493710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1801}}^1$

素因数の和:1909

約数の個数: 64

約数和(自身を含む): 798704064

約数和(自身を除く): 410210354

約数列:

[1, 2, 5, 10, 11, 22, 37, 53, 55, 74, 106, 110, 185, 265, 370, 407, 530, 583, 814, 1166, 1801, 1961, 2035, 2915, 3602, 3922, 4070, 5830, 9005, 9805, 18010, 19610, 19811, 21571, 39622, 43142, 66637, 95453, 99055, 107855, 133274, 190906, 198110, 215710, 333185, 477265, 666370, 733007, 954530, 1049983, 1466014, 2099966, 3531761, 3665035, 5249915, 7063522, 7330070, 10499830, 17658805, 35317610, 38849371, 77698742, 194246855, 388493710]

約数ペア:

[(1, 388493710), (2, 194246855), (5, 77698742), (10, 38849371), (11, 35317610), (22, 17658805), (37, 10499830), (53, 7330070), (55, 7063522), (74, 5249915), (106, 3665035), (110, 3531761), (185, 2099966), (265, 1466014), (370, 1049983), (407, 954530), (530, 733007), (583, 666370), (814, 477265), (1166, 333185), (1801, 215710), (1961, 198110), (2035, 190906), (2915, 133274), (3602, 107855), (3922, 99055), (4070, 95453), (5830, 66637), (9005, 43142), (9805, 39622), (18010, 21571), (19610, 19811)]