4340380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 10090080

約数和(自身を除く): 5749700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 181, 218, 220, 362, 436, 545, 724, 905, 1090, 1199, 1810, 1991, 2180, 2398, 3620, 3982, 4796, 5995, 7964, 9955, 11990, 19729, 19910, 23980, 39458, 39820, 78916, 98645, 197290, 217019, 394580, 434038, 868076, 1085095, 2170190, 4340380]

約数ペア:

[(1, 4340380), (2, 2170190), (4, 1085095), (5, 868076), (10, 434038), (11, 394580), (20, 217019), (22, 197290), (44, 98645), (55, 78916), (109, 39820), (110, 39458), (181, 23980), (218, 19910), (220, 19729), (362, 11990), (436, 9955), (545, 7964), (724, 5995), (905, 4796), (1090, 3982), (1199, 3620), (1810, 2398), (1991, 2180)]