1920692696

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{1399}}^1$

素因数の和:1768

約数の個数: 64

約数和(自身を含む): 3984288000

約数和(自身を除く): 2063595304

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 307, 344, 559, 614, 1118, 1228, 1399, 2236, 2456, 2798, 3991, 4472, 5596, 7982, 11192, 13201, 15964, 18187, 26402, 31928, 36374, 52804, 60157, 72748, 105608, 120314, 145496, 171613, 240628, 343226, 429493, 481256, 686452, 782041, 858986, 1372904, 1564082, 1717972, 3128164, 3435944, 5583409, 6256328, 11166818, 18468199, 22333636, 36936398, 44667272, 73872796, 147745592, 240086587, 480173174, 960346348, 1920692696]

約数ペア:

[(1, 1920692696), (2, 960346348), (4, 480173174), (8, 240086587), (13, 147745592), (26, 73872796), (43, 44667272), (52, 36936398), (86, 22333636), (104, 18468199), (172, 11166818), (307, 6256328), (344, 5583409), (559, 3435944), (614, 3128164), (1118, 1717972), (1228, 1564082), (1399, 1372904), (2236, 858986), (2456, 782041), (2798, 686452), (3991, 481256), (4472, 429493), (5596, 343226), (7982, 240628), (11192, 171613), (13201, 145496), (15964, 120314), (18187, 105608), (26402, 72748), (31928, 60157), (36374, 52804)]