12345620740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1\times {\mathrm{619}}^1$

素因数の和:1045

約数の個数: 96

約数和(自身を含む): 27167011200

約数和(自身を除く): 14821390460

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 137, 145, 251, 274, 290, 502, 548, 580, 619, 685, 1004, 1238, 1255, 1370, 2476, 2510, 2740, 3095, 3973, 5020, 6190, 7279, 7946, 12380, 14558, 15892, 17951, 19865, 29116, 34387, 35902, 36395, 39730, 68774, 71804, 72790, 79460, 84803, 89755, 137548, 145580, 155369, 169606, 171935, 179510, 310738, 339212, 343870, 359020, 424015, 621476, 687740, 776845, 848030, 997223, 1553690, 1696060, 1994446, 2459287, 3107380, 3988892, 4505701, 4918574, 4986115, 9011402, 9837148, 9972230, 12296435, 18022804, 19944460, 21285553, 22528505, 24592870, 42571106, 45057010, 49185740, 85142212, 90114020, 106427765, 212855530, 425711060, 617281037, 1234562074, 2469124148, 3086405185, 6172810370, 12345620740]

約数ペア:

[(1, 12345620740), (2, 6172810370), (4, 3086405185), (5, 2469124148), (10, 1234562074), (20, 617281037), (29, 425711060), (58, 212855530), (116, 106427765), (137, 90114020), (145, 85142212), (251, 49185740), (274, 45057010), (290, 42571106), (502, 24592870), (548, 22528505), (580, 21285553), (619, 19944460), (685, 18022804), (1004, 12296435), (1238, 9972230), (1255, 9837148), (1370, 9011402), (2476, 4986115), (2510, 4918574), (2740, 4505701), (3095, 3988892), (3973, 3107380), (5020, 2459287), (6190, 1994446), (7279, 1696060), (7946, 1553690), (12380, 997223), (14558, 848030), (15892, 776845), (17951, 687740), (19865, 621476), (29116, 424015), (34387, 359020), (35902, 343870), (36395, 339212), (39730, 310738), (68774, 179510), (71804, 171935), (72790, 169606), (79460, 155369), (84803, 145580), (89755, 137548)]