1489772440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{77431}}^1$

素因数の和:77492

約数の個数: 64

約数和(自身を含む): 3707444160

約数和(自身を除く): 2217671720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4810, 9620, 19240, 77431, 154862, 309724, 387155, 619448, 774310, 1006603, 1548620, 2013206, 2864947, 3097240, 4026412, 5033015, 5729894, 8052824, 10066030, 11459788, 14324735, 20132060, 22919576, 28649470, 37244311, 40264120, 57298940, 74488622, 114597880, 148977244, 186221555, 297954488, 372443110, 744886220, 1489772440]

約数ペア:

[(1, 1489772440), (2, 744886220), (4, 372443110), (5, 297954488), (8, 186221555), (10, 148977244), (13, 114597880), (20, 74488622), (26, 57298940), (37, 40264120), (40, 37244311), (52, 28649470), (65, 22919576), (74, 20132060), (104, 14324735), (130, 11459788), (148, 10066030), (185, 8052824), (260, 5729894), (296, 5033015), (370, 4026412), (481, 3097240), (520, 2864947), (740, 2013206), (962, 1548620), (1480, 1006603), (1924, 774310), (2405, 619448), (3848, 387155), (4810, 309724), (9620, 154862), (19240, 77431)]