1489406975

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{21767}}^1$

素因数の和:21824

約数の個数: 48

約数和(自身を含む): 2332136448

約数和(自身を除く): 842729473

約数列:

[1, 5, 7, 17, 23, 25, 35, 85, 115, 119, 161, 175, 391, 425, 575, 595, 805, 1955, 2737, 2975, 4025, 9775, 13685, 21767, 68425, 108835, 152369, 370039, 500641, 544175, 761845, 1850195, 2503205, 2590273, 3504487, 3809225, 8510897, 9250975, 12516025, 12951365, 17522435, 42554485, 59576279, 64756825, 87612175, 212772425, 297881395, 1489406975]

約数ペア:

[(1, 1489406975), (5, 297881395), (7, 212772425), (17, 87612175), (23, 64756825), (25, 59576279), (35, 42554485), (85, 17522435), (115, 12951365), (119, 12516025), (161, 9250975), (175, 8510897), (391, 3809225), (425, 3504487), (575, 2590273), (595, 2503205), (805, 1850195), (1955, 761845), (2737, 544175), (2975, 500641), (4025, 370039), (9775, 152369), (13685, 108835), (21767, 68425)]