16947980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7121}}^1$

素因数の和:7154

約数の個数: 48

約数和(自身を含む): 43073856

約数和(自身を除く): 26125876

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 7121, 14242, 28484, 35605, 49847, 71210, 99694, 121057, 142420, 199388, 242114, 249235, 484228, 498470, 605285, 847399, 996940, 1210570, 1694798, 2421140, 3389596, 4236995, 8473990, 16947980]

約数ペア:

[(1, 16947980), (2, 8473990), (4, 4236995), (5, 3389596), (7, 2421140), (10, 1694798), (14, 1210570), (17, 996940), (20, 847399), (28, 605285), (34, 498470), (35, 484228), (68, 249235), (70, 242114), (85, 199388), (119, 142420), (140, 121057), (170, 99694), (238, 71210), (340, 49847), (476, 35605), (595, 28484), (1190, 14242), (2380, 7121)]