29990968

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:500

約数の個数: 64

約数和(自身を含む): 68774400

約数和(自身を除く): 38783432

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 71, 76, 133, 142, 152, 266, 284, 397, 497, 532, 568, 794, 994, 1064, 1349, 1588, 1988, 2698, 2779, 3176, 3976, 5396, 5558, 7543, 9443, 10792, 11116, 15086, 18886, 22232, 28187, 30172, 37772, 52801, 56374, 60344, 75544, 105602, 112748, 197309, 211204, 225496, 394618, 422408, 535553, 789236, 1071106, 1578472, 2142212, 3748871, 4284424, 7497742, 14995484, 29990968]

約数ペア:

[(1, 29990968), (2, 14995484), (4, 7497742), (7, 4284424), (8, 3748871), (14, 2142212), (19, 1578472), (28, 1071106), (38, 789236), (56, 535553), (71, 422408), (76, 394618), (133, 225496), (142, 211204), (152, 197309), (266, 112748), (284, 105602), (397, 75544), (497, 60344), (532, 56374), (568, 52801), (794, 37772), (994, 30172), (1064, 28187), (1349, 22232), (1588, 18886), (1988, 15086), (2698, 11116), (2779, 10792), (3176, 9443), (3976, 7543), (5396, 5558)]