3950380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 10054800

約数和(自身を除く): 6104420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 139, 140, 145, 196, 203, 245, 278, 290, 406, 490, 556, 580, 695, 812, 973, 980, 1015, 1390, 1421, 1946, 2030, 2780, 2842, 3892, 4031, 4060, 4865, 5684, 6811, 7105, 8062, 9730, 13622, 14210, 16124, 19460, 20155, 27244, 28217, 28420, 34055, 40310, 56434, 68110, 80620, 112868, 136220, 141085, 197519, 282170, 395038, 564340, 790076, 987595, 1975190, 3950380]

約数ペア:

[(1, 3950380), (2, 1975190), (4, 987595), (5, 790076), (7, 564340), (10, 395038), (14, 282170), (20, 197519), (28, 141085), (29, 136220), (35, 112868), (49, 80620), (58, 68110), (70, 56434), (98, 40310), (116, 34055), (139, 28420), (140, 28217), (145, 27244), (196, 20155), (203, 19460), (245, 16124), (278, 14210), (290, 13622), (406, 9730), (490, 8062), (556, 7105), (580, 6811), (695, 5684), (812, 4865), (973, 4060), (980, 4031), (1015, 3892), (1390, 2842), (1421, 2780), (1946, 2030)]