201301220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{165001}}^1$

素因数の和:165071

約数の個数: 24

約数和(自身を含む): 429665208

約数和(自身を除く): 228363988

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 165001, 330002, 660004, 825005, 1650010, 3300020, 10065061, 20130122, 40260244, 50325305, 100650610, 201301220]

約数ペア:

[(1, 201301220), (2, 100650610), (4, 50325305), (5, 40260244), (10, 20130122), (20, 10065061), (61, 3300020), (122, 1650010), (244, 825005), (305, 660004), (610, 330002), (1220, 165001)]