204559640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{300823}}^1$

素因数の和:300851

約数の個数: 32

約数和(自身を含む): 487334880

約数和(自身を除く): 282775240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 300823, 601646, 1203292, 1504115, 2406584, 3008230, 5113991, 6016460, 10227982, 12032920, 20455964, 25569955, 40911928, 51139910, 102279820, 204559640]

約数ペア:

[(1, 204559640), (2, 102279820), (4, 51139910), (5, 40911928), (8, 25569955), (10, 20455964), (17, 12032920), (20, 10227982), (34, 6016460), (40, 5113991), (68, 3008230), (85, 2406584), (136, 1504115), (170, 1203292), (340, 601646), (680, 300823)]