389316100

素因数分解:

$2^2\times 5^2\times {\mathrm{211}}^1\times {\mathrm{18451}}^1$

素因数の和:18676

約数の個数: 36

約数和(自身を含む): 848865808

約数和(自身を除く): 459549708

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 211, 422, 844, 1055, 2110, 4220, 5275, 10550, 18451, 21100, 36902, 73804, 92255, 184510, 369020, 461275, 922550, 1845100, 3893161, 7786322, 15572644, 19465805, 38931610, 77863220, 97329025, 194658050, 389316100]

約数ペア:

[(1, 389316100), (2, 194658050), (4, 97329025), (5, 77863220), (10, 38931610), (20, 19465805), (25, 15572644), (50, 7786322), (100, 3893161), (211, 1845100), (422, 922550), (844, 461275), (1055, 369020), (2110, 184510), (4220, 92255), (5275, 73804), (10550, 36902), (18451, 21100)]