2588180

素因数分解:

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

素因数の和:181

約数の個数: 72

約数和(自身を含む): 6703200

約数和(自身を除く): 4115020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 139, 140, 190, 196, 245, 266, 278, 380, 490, 532, 556, 665, 695, 931, 973, 980, 1330, 1390, 1862, 1946, 2641, 2660, 2780, 3724, 3892, 4655, 4865, 5282, 6811, 9310, 9730, 10564, 13205, 13622, 18487, 18620, 19460, 26410, 27244, 34055, 36974, 52820, 68110, 73948, 92435, 129409, 136220, 184870, 258818, 369740, 517636, 647045, 1294090, 2588180]

約数ペア:

[(1, 2588180), (2, 1294090), (4, 647045), (5, 517636), (7, 369740), (10, 258818), (14, 184870), (19, 136220), (20, 129409), (28, 92435), (35, 73948), (38, 68110), (49, 52820), (70, 36974), (76, 34055), (95, 27244), (98, 26410), (133, 19460), (139, 18620), (140, 18487), (190, 13622), (196, 13205), (245, 10564), (266, 9730), (278, 9310), (380, 6811), (490, 5282), (532, 4865), (556, 4655), (665, 3892), (695, 3724), (931, 2780), (973, 2660), (980, 2641), (1330, 1946), (1390, 1862)]