662768680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{17029}}^1$

素因数の和:17186

約数の個数: 64

約数和(自身を含む): 1716624000

約数和(自身を除く): 1053855320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2780, 3892, 4865, 5560, 7784, 9730, 17029, 19460, 34058, 38920, 68116, 85145, 119203, 136232, 170290, 238406, 340580, 476812, 596015, 681160, 953624, 1192030, 2367031, 2384060, 4734062, 4768120, 9468124, 11835155, 16569217, 18936248, 23670310, 33138434, 47340620, 66276868, 82846085, 94681240, 132553736, 165692170, 331384340, 662768680]

約数ペア:

[(1, 662768680), (2, 331384340), (4, 165692170), (5, 132553736), (7, 94681240), (8, 82846085), (10, 66276868), (14, 47340620), (20, 33138434), (28, 23670310), (35, 18936248), (40, 16569217), (56, 11835155), (70, 9468124), (139, 4768120), (140, 4734062), (278, 2384060), (280, 2367031), (556, 1192030), (695, 953624), (973, 681160), (1112, 596015), (1390, 476812), (1946, 340580), (2780, 238406), (3892, 170290), (4865, 136232), (5560, 119203), (7784, 85145), (9730, 68116), (17029, 38920), (19460, 34058)]