2100154055

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{1471}}^1$

素因数の和:1719

約数の個数: 32

約数和(自身を含む): 2663448576

約数和(自身を除く): 563294521

約数列:

[1, 5, 31, 61, 151, 155, 305, 755, 1471, 1891, 4681, 7355, 9211, 9455, 23405, 45601, 46055, 89731, 222121, 228005, 285541, 448655, 1110605, 1427705, 2781661, 6885751, 13549381, 13908305, 34428755, 67746905, 420030811, 2100154055]

約数ペア:

[(1, 2100154055), (5, 420030811), (31, 67746905), (61, 34428755), (151, 13908305), (155, 13549381), (305, 6885751), (755, 2781661), (1471, 1427705), (1891, 1110605), (4681, 448655), (7355, 285541), (9211, 228005), (9455, 222121), (23405, 89731), (45601, 46055)]