13490680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{6883}}^1$

素因数の和:6908

約数の個数: 48

約数和(自身を含む): 35314920

約数和(自身を除く): 21824240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 6883, 13766, 27532, 34415, 48181, 55064, 68830, 96362, 137660, 192724, 240905, 275320, 337267, 385448, 481810, 674534, 963620, 1349068, 1686335, 1927240, 2698136, 3372670, 6745340, 13490680]

約数ペア:

[(1, 13490680), (2, 6745340), (4, 3372670), (5, 2698136), (7, 1927240), (8, 1686335), (10, 1349068), (14, 963620), (20, 674534), (28, 481810), (35, 385448), (40, 337267), (49, 275320), (56, 240905), (70, 192724), (98, 137660), (140, 96362), (196, 68830), (245, 55064), (280, 48181), (392, 34415), (490, 27532), (980, 13766), (1960, 6883)]