165176980

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1\times {\mathrm{443}}^1$

素因数の和:736

約数の個数: 48

約数和(自身を含む): 352969344

約数和(自身を除く): 187792364

約数列:

[1, 2, 4, 5, 10, 20, 103, 181, 206, 362, 412, 443, 515, 724, 886, 905, 1030, 1772, 1810, 2060, 2215, 3620, 4430, 8860, 18643, 37286, 45629, 74572, 80183, 91258, 93215, 160366, 182516, 186430, 228145, 320732, 372860, 400915, 456290, 801830, 912580, 1603660, 8258849, 16517698, 33035396, 41294245, 82588490, 165176980]

約数ペア:

[(1, 165176980), (2, 82588490), (4, 41294245), (5, 33035396), (10, 16517698), (20, 8258849), (103, 1603660), (181, 912580), (206, 801830), (362, 456290), (412, 400915), (443, 372860), (515, 320732), (724, 228145), (886, 186430), (905, 182516), (1030, 160366), (1772, 93215), (1810, 91258), (2060, 80183), (2215, 74572), (3620, 45629), (4430, 37286), (8860, 18643)]