881881330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:715

約数の個数: 64

約数和(自身を含む): 1761056640

約数和(自身を除く): 879175310

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 137, 139, 274, 278, 421, 685, 695, 842, 1370, 1390, 1507, 1529, 2105, 3014, 3058, 4210, 4631, 7535, 7645, 9262, 15070, 15290, 19043, 23155, 38086, 46310, 57677, 58519, 95215, 115354, 117038, 190430, 209473, 288385, 292595, 418946, 576770, 585190, 634447, 643709, 1047365, 1268894, 1287418, 2094730, 3172235, 3218545, 6344470, 6437090, 8017103, 16034206, 40085515, 80171030, 88188133, 176376266, 440940665, 881881330]

約数ペア:

[(1, 881881330), (2, 440940665), (5, 176376266), (10, 88188133), (11, 80171030), (22, 40085515), (55, 16034206), (110, 8017103), (137, 6437090), (139, 6344470), (274, 3218545), (278, 3172235), (421, 2094730), (685, 1287418), (695, 1268894), (842, 1047365), (1370, 643709), (1390, 634447), (1507, 585190), (1529, 576770), (2105, 418946), (3014, 292595), (3058, 288385), (4210, 209473), (4631, 190430), (7535, 117038), (7645, 115354), (9262, 95215), (15070, 58519), (15290, 57677), (19043, 46310), (23155, 38086)]