61159900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 139018880

約数和(自身を除く): 77858980

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 109, 124, 155, 181, 218, 310, 362, 436, 545, 620, 724, 775, 905, 1090, 1550, 1810, 2180, 2725, 3100, 3379, 3620, 4525, 5450, 5611, 6758, 9050, 10900, 11222, 13516, 16895, 18100, 19729, 22444, 28055, 33790, 39458, 56110, 67580, 78916, 84475, 98645, 112220, 140275, 168950, 197290, 280550, 337900, 394580, 493225, 561100, 611599, 986450, 1223198, 1972900, 2446396, 3057995, 6115990, 12231980, 15289975, 30579950, 61159900]

約数ペア:

[(1, 61159900), (2, 30579950), (4, 15289975), (5, 12231980), (10, 6115990), (20, 3057995), (25, 2446396), (31, 1972900), (50, 1223198), (62, 986450), (100, 611599), (109, 561100), (124, 493225), (155, 394580), (181, 337900), (218, 280550), (310, 197290), (362, 168950), (436, 140275), (545, 112220), (620, 98645), (724, 84475), (775, 78916), (905, 67580), (1090, 56110), (1550, 39458), (1810, 33790), (2180, 28055), (2725, 22444), (3100, 19729), (3379, 18100), (3620, 16895), (4525, 13516), (5450, 11222), (5611, 10900), (6758, 9050)]