201252020

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{599}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 430012800

約数和(自身を除く): 228760780

約数列:

[1, 2, 4, 5, 10, 20, 107, 157, 214, 314, 428, 535, 599, 628, 785, 1070, 1198, 1570, 2140, 2396, 2995, 3140, 5990, 11980, 16799, 33598, 64093, 67196, 83995, 94043, 128186, 167990, 188086, 256372, 320465, 335980, 376172, 470215, 640930, 940430, 1281860, 1880860, 10062601, 20125202, 40250404, 50313005, 100626010, 201252020]

約数ペア:

[(1, 201252020), (2, 100626010), (4, 50313005), (5, 40250404), (10, 20125202), (20, 10062601), (107, 1880860), (157, 1281860), (214, 940430), (314, 640930), (428, 470215), (535, 376172), (599, 335980), (628, 320465), (785, 256372), (1070, 188086), (1198, 167990), (1570, 128186), (2140, 94043), (2396, 83995), (2995, 67196), (3140, 64093), (5990, 33598), (11980, 16799)]