386484520

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{116411}}^1$

素因数の和:116505

約数の個数: 32

約数和(自身を含む): 880074720

約数和(自身を除く): 493590200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 116411, 232822, 465644, 582055, 931288, 1164110, 2328220, 4656440, 9662113, 19324226, 38648452, 48310565, 77296904, 96621130, 193242260, 386484520]

約数ペア:

[(1, 386484520), (2, 193242260), (4, 96621130), (5, 77296904), (8, 48310565), (10, 38648452), (20, 19324226), (40, 9662113), (83, 4656440), (166, 2328220), (332, 1164110), (415, 931288), (664, 582055), (830, 465644), (1660, 232822), (3320, 116411)]