42762500

素因数分解:

$2^2\times 5^5\times {\mathrm{11}}^1\times {\mathrm{311}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 102368448

約数和(自身を除く): 59605948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 311, 500, 550, 622, 625, 1100, 1244, 1250, 1375, 1555, 2500, 2750, 3110, 3125, 3421, 5500, 6220, 6250, 6842, 6875, 7775, 12500, 13684, 13750, 15550, 17105, 27500, 31100, 34210, 34375, 38875, 68420, 68750, 77750, 85525, 137500, 155500, 171050, 194375, 342100, 388750, 427625, 777500, 855250, 971875, 1710500, 1943750, 2138125, 3887500, 4276250, 8552500, 10690625, 21381250, 42762500]

約数ペア:

[(1, 42762500), (2, 21381250), (4, 10690625), (5, 8552500), (10, 4276250), (11, 3887500), (20, 2138125), (22, 1943750), (25, 1710500), (44, 971875), (50, 855250), (55, 777500), (100, 427625), (110, 388750), (125, 342100), (220, 194375), (250, 171050), (275, 155500), (311, 137500), (500, 85525), (550, 77750), (622, 68750), (625, 68420), (1100, 38875), (1244, 34375), (1250, 34210), (1375, 31100), (1555, 27500), (2500, 17105), (2750, 15550), (3110, 13750), (3125, 13684), (3421, 12500), (5500, 7775), (6220, 6875), (6250, 6842)]