16874375

素因数分解:

$5^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:82

約数の個数: 60

約数和(自身を含む): 26710200

約数和(自身を除く): 9835825

約数列:

[1, 5, 7, 19, 25, 29, 35, 49, 95, 125, 133, 145, 175, 203, 245, 475, 551, 625, 665, 725, 875, 931, 1015, 1225, 1421, 2375, 2755, 3325, 3625, 3857, 4375, 4655, 5075, 6125, 7105, 11875, 13775, 16625, 18125, 19285, 23275, 25375, 26999, 30625, 35525, 68875, 83125, 96425, 116375, 126875, 134995, 177625, 344375, 482125, 581875, 674975, 888125, 2410625, 3374875, 16874375]

約数ペア:

[(1, 16874375), (5, 3374875), (7, 2410625), (19, 888125), (25, 674975), (29, 581875), (35, 482125), (49, 344375), (95, 177625), (125, 134995), (133, 126875), (145, 116375), (175, 96425), (203, 83125), (245, 68875), (475, 35525), (551, 30625), (625, 26999), (665, 25375), (725, 23275), (875, 19285), (931, 18125), (1015, 16625), (1225, 13775), (1421, 11875), (2375, 7105), (2755, 6125), (3325, 5075), (3625, 4655), (3857, 4375)]