54906040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1249}}^1$

素因数の和:1424

約数の個数: 64

約数和(自身を含む): 142200000

約数和(自身を除く): 87293960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 628, 785, 1099, 1249, 1256, 1570, 2198, 2498, 3140, 4396, 4996, 5495, 6245, 6280, 8743, 8792, 9992, 10990, 12490, 17486, 21980, 24980, 34972, 43715, 43960, 49960, 69944, 87430, 174860, 196093, 349720, 392186, 784372, 980465, 1372651, 1568744, 1960930, 2745302, 3921860, 5490604, 6863255, 7843720, 10981208, 13726510, 27453020, 54906040]

約数ペア:

[(1, 54906040), (2, 27453020), (4, 13726510), (5, 10981208), (7, 7843720), (8, 6863255), (10, 5490604), (14, 3921860), (20, 2745302), (28, 1960930), (35, 1568744), (40, 1372651), (56, 980465), (70, 784372), (140, 392186), (157, 349720), (280, 196093), (314, 174860), (628, 87430), (785, 69944), (1099, 49960), (1249, 43960), (1256, 43715), (1570, 34972), (2198, 24980), (2498, 21980), (3140, 17486), (4396, 12490), (4996, 10990), (5495, 9992), (6245, 8792), (6280, 8743)]