138694000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^1\times {\mathrm{2237}}^1$

素因数の和:2291

約数の個数: 80

約数和(自身を含む): 346334976

約数和(自身を除く): 207640976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 310, 400, 496, 500, 620, 775, 1000, 1240, 1550, 2000, 2237, 2480, 3100, 3875, 4474, 6200, 7750, 8948, 11185, 12400, 15500, 17896, 22370, 31000, 35792, 44740, 55925, 62000, 69347, 89480, 111850, 138694, 178960, 223700, 277388, 279625, 346735, 447400, 554776, 559250, 693470, 894800, 1109552, 1118500, 1386940, 1733675, 2237000, 2773880, 3467350, 4474000, 5547760, 6934700, 8668375, 13869400, 17336750, 27738800, 34673500, 69347000, 138694000]

約数ペア:

[(1, 138694000), (2, 69347000), (4, 34673500), (5, 27738800), (8, 17336750), (10, 13869400), (16, 8668375), (20, 6934700), (25, 5547760), (31, 4474000), (40, 3467350), (50, 2773880), (62, 2237000), (80, 1733675), (100, 1386940), (124, 1118500), (125, 1109552), (155, 894800), (200, 693470), (248, 559250), (250, 554776), (310, 447400), (400, 346735), (496, 279625), (500, 277388), (620, 223700), (775, 178960), (1000, 138694), (1240, 111850), (1550, 89480), (2000, 69347), (2237, 62000), (2480, 55925), (3100, 44740), (3875, 35792), (4474, 31000), (6200, 22370), (7750, 17896), (8948, 15500), (11185, 12400)]