2078454980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1531}}^1\times {\mathrm{9697}}^1$

素因数の和:11244

約数の個数: 48

約数和(自身を含む): 4992064896

約数和(自身を除く): 2913609916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1531, 3062, 6124, 7655, 9697, 10717, 15310, 19394, 21434, 30620, 38788, 42868, 48485, 53585, 67879, 96970, 107170, 135758, 193940, 214340, 271516, 339395, 678790, 1357580, 14846107, 29692214, 59384428, 74230535, 103922749, 148461070, 207845498, 296922140, 415690996, 519613745, 1039227490, 2078454980]

約数ペア:

[(1, 2078454980), (2, 1039227490), (4, 519613745), (5, 415690996), (7, 296922140), (10, 207845498), (14, 148461070), (20, 103922749), (28, 74230535), (35, 59384428), (70, 29692214), (140, 14846107), (1531, 1357580), (3062, 678790), (6124, 339395), (7655, 271516), (9697, 214340), (10717, 193940), (15310, 135758), (19394, 107170), (21434, 96970), (30620, 67879), (38788, 53585), (42868, 48485)]