6642460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 15412320

約数和(自身を除く): 8769860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 277, 436, 545, 554, 1090, 1108, 1199, 1385, 2180, 2398, 2770, 3047, 4796, 5540, 5995, 6094, 11990, 12188, 15235, 23980, 30193, 30470, 60386, 60940, 120772, 150965, 301930, 332123, 603860, 664246, 1328492, 1660615, 3321230, 6642460]

約数ペア:

[(1, 6642460), (2, 3321230), (4, 1660615), (5, 1328492), (10, 664246), (11, 603860), (20, 332123), (22, 301930), (44, 150965), (55, 120772), (109, 60940), (110, 60386), (218, 30470), (220, 30193), (277, 23980), (436, 15235), (545, 12188), (554, 11990), (1090, 6094), (1108, 5995), (1199, 5540), (1385, 4796), (2180, 3047), (2398, 2770)]