11211800

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{919}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 26523600

約数和(自身を除く): 15311800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 919, 1220, 1525, 1838, 2440, 3050, 3676, 4595, 6100, 7352, 9190, 12200, 18380, 22975, 36760, 45950, 56059, 91900, 112118, 183800, 224236, 280295, 448472, 560590, 1121180, 1401475, 2242360, 2802950, 5605900, 11211800]

約数ペア:

[(1, 11211800), (2, 5605900), (4, 2802950), (5, 2242360), (8, 1401475), (10, 1121180), (20, 560590), (25, 448472), (40, 280295), (50, 224236), (61, 183800), (100, 112118), (122, 91900), (200, 56059), (244, 45950), (305, 36760), (488, 22975), (610, 18380), (919, 12200), (1220, 9190), (1525, 7352), (1838, 6100), (2440, 4595), (3050, 3676)]