778833220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{35051}}^1$

素因数の和:35172

約数の個数: 48

約数和(自身を含む): 1801953216

約数和(自身を除く): 1023119996

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1111, 2020, 2222, 4444, 5555, 11110, 22220, 35051, 70102, 140204, 175255, 350510, 385561, 701020, 771122, 1542244, 1927805, 3540151, 3855610, 7080302, 7711220, 14160604, 17700755, 35401510, 38941661, 70803020, 77883322, 155766644, 194708305, 389416610, 778833220]

約数ペア:

[(1, 778833220), (2, 389416610), (4, 194708305), (5, 155766644), (10, 77883322), (11, 70803020), (20, 38941661), (22, 35401510), (44, 17700755), (55, 14160604), (101, 7711220), (110, 7080302), (202, 3855610), (220, 3540151), (404, 1927805), (505, 1542244), (1010, 771122), (1111, 701020), (2020, 385561), (2222, 350510), (4444, 175255), (5555, 140204), (11110, 70102), (22220, 35051)]