79741400

素因数分解:

$2^3\times 5^2\times {\mathrm{577}}^1\times {\mathrm{691}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 185988840

約数和(自身を除く): 106247440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 577, 691, 1154, 1382, 2308, 2764, 2885, 3455, 4616, 5528, 5770, 6910, 11540, 13820, 14425, 17275, 23080, 27640, 28850, 34550, 57700, 69100, 115400, 138200, 398707, 797414, 1594828, 1993535, 3189656, 3987070, 7974140, 9967675, 15948280, 19935350, 39870700, 79741400]

約数ペア:

[(1, 79741400), (2, 39870700), (4, 19935350), (5, 15948280), (8, 9967675), (10, 7974140), (20, 3987070), (25, 3189656), (40, 1993535), (50, 1594828), (100, 797414), (200, 398707), (577, 138200), (691, 115400), (1154, 69100), (1382, 57700), (2308, 34550), (2764, 28850), (2885, 27640), (3455, 23080), (4616, 17275), (5528, 14425), (5770, 13820), (6910, 11540)]