17788750

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:155

約数の個数: 80

約数和(自身を含む): 40487040

約数和(自身を除く): 22698290

約数列:

[1, 2, 5, 7, 10, 14, 19, 25, 35, 38, 50, 70, 95, 107, 125, 133, 175, 190, 214, 250, 266, 350, 475, 535, 625, 665, 749, 875, 950, 1070, 1250, 1330, 1498, 1750, 2033, 2375, 2675, 3325, 3745, 4066, 4375, 4750, 5350, 6650, 7490, 8750, 10165, 11875, 13375, 14231, 16625, 18725, 20330, 23750, 26750, 28462, 33250, 37450, 50825, 66875, 71155, 83125, 93625, 101650, 133750, 142310, 166250, 187250, 254125, 355775, 468125, 508250, 711550, 936250, 1270625, 1778875, 2541250, 3557750, 8894375, 17788750]

約数ペア:

[(1, 17788750), (2, 8894375), (5, 3557750), (7, 2541250), (10, 1778875), (14, 1270625), (19, 936250), (25, 711550), (35, 508250), (38, 468125), (50, 355775), (70, 254125), (95, 187250), (107, 166250), (125, 142310), (133, 133750), (175, 101650), (190, 93625), (214, 83125), (250, 71155), (266, 66875), (350, 50825), (475, 37450), (535, 33250), (625, 28462), (665, 26750), (749, 23750), (875, 20330), (950, 18725), (1070, 16625), (1250, 14231), (1330, 13375), (1498, 11875), (1750, 10165), (2033, 8750), (2375, 7490), (2675, 6650), (3325, 5350), (3745, 4750), (4066, 4375)]