52772500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:155

約数の個数: 120

約数和(自身を含む): 133832160

約数和(自身を除く): 81059660

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 101, 110, 125, 190, 202, 209, 220, 250, 275, 380, 404, 418, 475, 500, 505, 550, 625, 836, 950, 1010, 1045, 1100, 1111, 1250, 1375, 1900, 1919, 2020, 2090, 2222, 2375, 2500, 2525, 2750, 3838, 4180, 4444, 4750, 5050, 5225, 5500, 5555, 6875, 7676, 9500, 9595, 10100, 10450, 11110, 11875, 12625, 13750, 19190, 20900, 21109, 22220, 23750, 25250, 26125, 27500, 27775, 38380, 42218, 47500, 47975, 50500, 52250, 55550, 63125, 84436, 95950, 104500, 105545, 111100, 126250, 130625, 138875, 191900, 211090, 239875, 252500, 261250, 277750, 422180, 479750, 522500, 527725, 555500, 694375, 959500, 1055450, 1199375, 1388750, 2110900, 2398750, 2638625, 2777500, 4797500, 5277250, 10554500, 13193125, 26386250, 52772500]

約数ペア:

[(1, 52772500), (2, 26386250), (4, 13193125), (5, 10554500), (10, 5277250), (11, 4797500), (19, 2777500), (20, 2638625), (22, 2398750), (25, 2110900), (38, 1388750), (44, 1199375), (50, 1055450), (55, 959500), (76, 694375), (95, 555500), (100, 527725), (101, 522500), (110, 479750), (125, 422180), (190, 277750), (202, 261250), (209, 252500), (220, 239875), (250, 211090), (275, 191900), (380, 138875), (404, 130625), (418, 126250), (475, 111100), (500, 105545), (505, 104500), (550, 95950), (625, 84436), (836, 63125), (950, 55550), (1010, 52250), (1045, 50500), (1100, 47975), (1111, 47500), (1250, 42218), (1375, 38380), (1900, 27775), (1919, 27500), (2020, 26125), (2090, 25250), (2222, 23750), (2375, 22220), (2500, 21109), (2525, 20900), (2750, 19190), (3838, 13750), (4180, 12625), (4444, 11875), (4750, 11110), (5050, 10450), (5225, 10100), (5500, 9595), (5555, 9500), (6875, 7676)]