12890790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:502

約数の個数: 96

約数和(自身を含む): 37908000

約数和(自身を除く): 25017210

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 29, 30, 33, 45, 55, 58, 66, 87, 90, 99, 110, 145, 165, 174, 198, 261, 290, 319, 330, 435, 449, 495, 522, 638, 870, 898, 957, 990, 1305, 1347, 1595, 1914, 2245, 2610, 2694, 2871, 3190, 4041, 4490, 4785, 4939, 5742, 6735, 8082, 9570, 9878, 13021, 13470, 14355, 14817, 20205, 24695, 26042, 28710, 29634, 39063, 40410, 44451, 49390, 65105, 74085, 78126, 88902, 117189, 130210, 143231, 148170, 195315, 222255, 234378, 286462, 390630, 429693, 444510, 585945, 716155, 859386, 1171890, 1289079, 1432310, 2148465, 2578158, 4296930, 6445395, 12890790]

約数ペア:

[(1, 12890790), (2, 6445395), (3, 4296930), (5, 2578158), (6, 2148465), (9, 1432310), (10, 1289079), (11, 1171890), (15, 859386), (18, 716155), (22, 585945), (29, 444510), (30, 429693), (33, 390630), (45, 286462), (55, 234378), (58, 222255), (66, 195315), (87, 148170), (90, 143231), (99, 130210), (110, 117189), (145, 88902), (165, 78126), (174, 74085), (198, 65105), (261, 49390), (290, 44451), (319, 40410), (330, 39063), (435, 29634), (449, 28710), (495, 26042), (522, 24695), (638, 20205), (870, 14817), (898, 14355), (957, 13470), (990, 13021), (1305, 9878), (1347, 9570), (1595, 8082), (1914, 6735), (2245, 5742), (2610, 4939), (2694, 4785), (2871, 4490), (3190, 4041)]