201385850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{509}}^1$

素因数の和:755

約数の個数: 48

約数和(自身を含む): 386459640

約数和(自身を除く): 185073790

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 193, 205, 386, 410, 509, 965, 1018, 1025, 1930, 2050, 2545, 4825, 5090, 7913, 9650, 12725, 15826, 20869, 25450, 39565, 41738, 79130, 98237, 104345, 196474, 197825, 208690, 395650, 491185, 521725, 982370, 1043450, 2455925, 4027717, 4911850, 8055434, 20138585, 40277170, 100692925, 201385850]

約数ペア:

[(1, 201385850), (2, 100692925), (5, 40277170), (10, 20138585), (25, 8055434), (41, 4911850), (50, 4027717), (82, 2455925), (193, 1043450), (205, 982370), (386, 521725), (410, 491185), (509, 395650), (965, 208690), (1018, 197825), (1025, 196474), (1930, 104345), (2050, 98237), (2545, 79130), (4825, 41738), (5090, 39565), (7913, 25450), (9650, 20869), (12725, 15826)]