9721250

素因数分解:

$2^1\times 5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1$

素因数の和:141

約数の個数: 80

約数和(自身を含む): 22942656

約数和(自身を除く): 13221406

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 101, 110, 125, 154, 175, 202, 250, 275, 350, 385, 505, 550, 625, 707, 770, 875, 1010, 1111, 1250, 1375, 1414, 1750, 1925, 2222, 2525, 2750, 3535, 3850, 4375, 5050, 5555, 6875, 7070, 7777, 8750, 9625, 11110, 12625, 13750, 15554, 17675, 19250, 25250, 27775, 35350, 38885, 48125, 55550, 63125, 77770, 88375, 96250, 126250, 138875, 176750, 194425, 277750, 388850, 441875, 694375, 883750, 972125, 1388750, 1944250, 4860625, 9721250]

約数ペア:

[(1, 9721250), (2, 4860625), (5, 1944250), (7, 1388750), (10, 972125), (11, 883750), (14, 694375), (22, 441875), (25, 388850), (35, 277750), (50, 194425), (55, 176750), (70, 138875), (77, 126250), (101, 96250), (110, 88375), (125, 77770), (154, 63125), (175, 55550), (202, 48125), (250, 38885), (275, 35350), (350, 27775), (385, 25250), (505, 19250), (550, 17675), (625, 15554), (707, 13750), (770, 12625), (875, 11110), (1010, 9625), (1111, 8750), (1250, 7777), (1375, 7070), (1414, 6875), (1750, 5555), (1925, 5050), (2222, 4375), (2525, 3850), (2750, 3535)]