209701250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:285

約数の個数: 80

約数和(自身を含む): 435910464

約数和(自身を除く): 226209214

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 101, 110, 125, 151, 202, 250, 275, 302, 505, 550, 625, 755, 1010, 1111, 1250, 1375, 1510, 1661, 2222, 2525, 2750, 3322, 3775, 5050, 5555, 6875, 7550, 8305, 11110, 12625, 13750, 15251, 16610, 18875, 25250, 27775, 30502, 37750, 41525, 55550, 63125, 76255, 83050, 94375, 126250, 138875, 152510, 167761, 188750, 207625, 277750, 335522, 381275, 415250, 694375, 762550, 838805, 1038125, 1388750, 1677610, 1906375, 2076250, 3812750, 4194025, 8388050, 9531875, 19063750, 20970125, 41940250, 104850625, 209701250]

約数ペア:

[(1, 209701250), (2, 104850625), (5, 41940250), (10, 20970125), (11, 19063750), (22, 9531875), (25, 8388050), (50, 4194025), (55, 3812750), (101, 2076250), (110, 1906375), (125, 1677610), (151, 1388750), (202, 1038125), (250, 838805), (275, 762550), (302, 694375), (505, 415250), (550, 381275), (625, 335522), (755, 277750), (1010, 207625), (1111, 188750), (1250, 167761), (1375, 152510), (1510, 138875), (1661, 126250), (2222, 94375), (2525, 83050), (2750, 76255), (3322, 63125), (3775, 55550), (5050, 41525), (5555, 37750), (6875, 30502), (7550, 27775), (8305, 25250), (11110, 18875), (12625, 16610), (13750, 15251)]