199903840

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{15053}}^1$

素因数の和:15151

約数の個数: 48

約数和(自身を含む): 477994608

約数和(自身を除く): 278090768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1660, 2656, 3320, 6640, 13280, 15053, 30106, 60212, 75265, 120424, 150530, 240848, 301060, 481696, 602120, 1204240, 1249399, 2408480, 2498798, 4997596, 6246995, 9995192, 12493990, 19990384, 24987980, 39980768, 49975960, 99951920, 199903840]

約数ペア:

[(1, 199903840), (2, 99951920), (4, 49975960), (5, 39980768), (8, 24987980), (10, 19990384), (16, 12493990), (20, 9995192), (32, 6246995), (40, 4997596), (80, 2498798), (83, 2408480), (160, 1249399), (166, 1204240), (332, 602120), (415, 481696), (664, 301060), (830, 240848), (1328, 150530), (1660, 120424), (2656, 75265), (3320, 60212), (6640, 30106), (13280, 15053)]