391930840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1091}}^1\times {\mathrm{1283}}^1$

素因数の和:2392

約数の個数: 64

約数和(自身を含む): 1009532160

約数和(自身を除く): 617601320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1091, 1283, 2182, 2566, 4364, 5132, 5455, 6415, 7637, 8728, 8981, 10264, 10910, 12830, 15274, 17962, 21820, 25660, 30548, 35924, 38185, 43640, 44905, 51320, 61096, 71848, 76370, 89810, 152740, 179620, 305480, 359240, 1399753, 2799506, 5599012, 6998765, 9798271, 11198024, 13997530, 19596542, 27995060, 39193084, 48991355, 55990120, 78386168, 97982710, 195965420, 391930840]

約数ペア:

[(1, 391930840), (2, 195965420), (4, 97982710), (5, 78386168), (7, 55990120), (8, 48991355), (10, 39193084), (14, 27995060), (20, 19596542), (28, 13997530), (35, 11198024), (40, 9798271), (56, 6998765), (70, 5599012), (140, 2799506), (280, 1399753), (1091, 359240), (1283, 305480), (2182, 179620), (2566, 152740), (4364, 89810), (5132, 76370), (5455, 71848), (6415, 61096), (7637, 51320), (8728, 44905), (8981, 43640), (10264, 38185), (10910, 35924), (12830, 30548), (15274, 25660), (17962, 21820)]