12940900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:186

約数の個数: 108

約数和(自身を含む): 34633200

約数和(自身を除く): 21692300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 49, 50, 70, 76, 95, 98, 100, 133, 139, 140, 175, 190, 196, 245, 266, 278, 350, 380, 475, 490, 532, 556, 665, 695, 700, 931, 950, 973, 980, 1225, 1330, 1390, 1862, 1900, 1946, 2450, 2641, 2660, 2780, 3325, 3475, 3724, 3892, 4655, 4865, 4900, 5282, 6650, 6811, 6950, 9310, 9730, 10564, 13205, 13300, 13622, 13900, 18487, 18620, 19460, 23275, 24325, 26410, 27244, 34055, 36974, 46550, 48650, 52820, 66025, 68110, 73948, 92435, 93100, 97300, 129409, 132050, 136220, 170275, 184870, 258818, 264100, 340550, 369740, 462175, 517636, 647045, 681100, 924350, 1294090, 1848700, 2588180, 3235225, 6470450, 12940900]

約数ペア:

[(1, 12940900), (2, 6470450), (4, 3235225), (5, 2588180), (7, 1848700), (10, 1294090), (14, 924350), (19, 681100), (20, 647045), (25, 517636), (28, 462175), (35, 369740), (38, 340550), (49, 264100), (50, 258818), (70, 184870), (76, 170275), (95, 136220), (98, 132050), (100, 129409), (133, 97300), (139, 93100), (140, 92435), (175, 73948), (190, 68110), (196, 66025), (245, 52820), (266, 48650), (278, 46550), (350, 36974), (380, 34055), (475, 27244), (490, 26410), (532, 24325), (556, 23275), (665, 19460), (695, 18620), (700, 18487), (931, 13900), (950, 13622), (973, 13300), (980, 13205), (1225, 10564), (1330, 9730), (1390, 9310), (1862, 6950), (1900, 6811), (1946, 6650), (2450, 5282), (2641, 4900), (2660, 4865), (2780, 4655), (3325, 3892), (3475, 3724)]