64907990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1319}}^1$

素因数の和:1389

約数の個数: 64

約数和(自身を含む): 144460800

約数和(自身を除く): 79552810

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 37, 38, 70, 74, 95, 133, 185, 190, 259, 266, 370, 518, 665, 703, 1295, 1319, 1330, 1406, 2590, 2638, 3515, 4921, 6595, 7030, 9233, 9842, 13190, 18466, 24605, 25061, 46165, 48803, 49210, 50122, 92330, 97606, 125305, 175427, 244015, 250610, 341621, 350854, 488030, 683242, 877135, 927257, 1708105, 1754270, 1854514, 3416210, 4636285, 6490799, 9272570, 12981598, 32453995, 64907990]

約数ペア:

[(1, 64907990), (2, 32453995), (5, 12981598), (7, 9272570), (10, 6490799), (14, 4636285), (19, 3416210), (35, 1854514), (37, 1754270), (38, 1708105), (70, 927257), (74, 877135), (95, 683242), (133, 488030), (185, 350854), (190, 341621), (259, 250610), (266, 244015), (370, 175427), (518, 125305), (665, 97606), (703, 92330), (1295, 50122), (1319, 49210), (1330, 48803), (1406, 46165), (2590, 25061), (2638, 24605), (3515, 18466), (4921, 13190), (6595, 9842), (7030, 9233)]