8882500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:71

約数の個数: 120

約数和(自身を含む): 23617440

約数和(自身を除く): 14734940

約数列:

[1, 2, 4, 5, 10, 11, 17, 19, 20, 22, 25, 34, 38, 44, 50, 55, 68, 76, 85, 95, 100, 110, 125, 170, 187, 190, 209, 220, 250, 275, 323, 340, 374, 380, 418, 425, 475, 500, 550, 625, 646, 748, 836, 850, 935, 950, 1045, 1100, 1250, 1292, 1375, 1615, 1700, 1870, 1900, 2090, 2125, 2375, 2500, 2750, 3230, 3553, 3740, 4180, 4250, 4675, 4750, 5225, 5500, 6460, 6875, 7106, 8075, 8500, 9350, 9500, 10450, 10625, 11875, 13750, 14212, 16150, 17765, 18700, 20900, 21250, 23375, 23750, 26125, 27500, 32300, 35530, 40375, 42500, 46750, 47500, 52250, 71060, 80750, 88825, 93500, 104500, 116875, 130625, 161500, 177650, 201875, 233750, 261250, 355300, 403750, 444125, 467500, 522500, 807500, 888250, 1776500, 2220625, 4441250, 8882500]

約数ペア:

[(1, 8882500), (2, 4441250), (4, 2220625), (5, 1776500), (10, 888250), (11, 807500), (17, 522500), (19, 467500), (20, 444125), (22, 403750), (25, 355300), (34, 261250), (38, 233750), (44, 201875), (50, 177650), (55, 161500), (68, 130625), (76, 116875), (85, 104500), (95, 93500), (100, 88825), (110, 80750), (125, 71060), (170, 52250), (187, 47500), (190, 46750), (209, 42500), (220, 40375), (250, 35530), (275, 32300), (323, 27500), (340, 26125), (374, 23750), (380, 23375), (418, 21250), (425, 20900), (475, 18700), (500, 17765), (550, 16150), (625, 14212), (646, 13750), (748, 11875), (836, 10625), (850, 10450), (935, 9500), (950, 9350), (1045, 8500), (1100, 8075), (1250, 7106), (1292, 6875), (1375, 6460), (1615, 5500), (1700, 5225), (1870, 4750), (1900, 4675), (2090, 4250), (2125, 4180), (2375, 3740), (2500, 3553), (2750, 3230)]