308585888

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{1327}}^1$

素因数の和:1406

約数の個数: 72

約数和(自身を含む): 673662528

約数和(自身を除く): 365076640

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 169, 172, 208, 338, 344, 416, 559, 676, 688, 1118, 1327, 1352, 1376, 2236, 2654, 2704, 4472, 5308, 5408, 7267, 8944, 10616, 14534, 17251, 17888, 21232, 29068, 34502, 42464, 57061, 58136, 69004, 114122, 116272, 138008, 224263, 228244, 232544, 276016, 448526, 456488, 552032, 741793, 897052, 912976, 1483586, 1794104, 1825952, 2967172, 3588208, 5934344, 7176416, 9643309, 11868688, 19286618, 23737376, 38573236, 77146472, 154292944, 308585888]

約数ペア:

[(1, 308585888), (2, 154292944), (4, 77146472), (8, 38573236), (13, 23737376), (16, 19286618), (26, 11868688), (32, 9643309), (43, 7176416), (52, 5934344), (86, 3588208), (104, 2967172), (169, 1825952), (172, 1794104), (208, 1483586), (338, 912976), (344, 897052), (416, 741793), (559, 552032), (676, 456488), (688, 448526), (1118, 276016), (1327, 232544), (1352, 228244), (1376, 224263), (2236, 138008), (2654, 116272), (2704, 114122), (4472, 69004), (5308, 58136), (5408, 57061), (7267, 42464), (8944, 34502), (10616, 29068), (14534, 21232), (17251, 17888)]