391850452

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{757}}^1$

素因数の和:933

約数の個数: 72

約数和(自身を含む): 846837600

約数和(自身を除く): 454987148

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 139, 196, 266, 278, 532, 556, 757, 931, 973, 1514, 1862, 1946, 2641, 3028, 3724, 3892, 5282, 5299, 6811, 10564, 10598, 13622, 14383, 18487, 21196, 27244, 28766, 36974, 37093, 57532, 73948, 74186, 100681, 105223, 129409, 148372, 201362, 210446, 258818, 402724, 420892, 517636, 704767, 736561, 1409534, 1473122, 1999237, 2819068, 2946244, 3998474, 5155927, 7996948, 10311854, 13994659, 20623708, 27989318, 55978636, 97962613, 195925226, 391850452]

約数ペア:

[(1, 391850452), (2, 195925226), (4, 97962613), (7, 55978636), (14, 27989318), (19, 20623708), (28, 13994659), (38, 10311854), (49, 7996948), (76, 5155927), (98, 3998474), (133, 2946244), (139, 2819068), (196, 1999237), (266, 1473122), (278, 1409534), (532, 736561), (556, 704767), (757, 517636), (931, 420892), (973, 402724), (1514, 258818), (1862, 210446), (1946, 201362), (2641, 148372), (3028, 129409), (3724, 105223), (3892, 100681), (5282, 74186), (5299, 73948), (6811, 57532), (10564, 37093), (10598, 36974), (13622, 28766), (14383, 27244), (18487, 21196)]