551540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 1330560

約数和(自身を除く): 779020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 109, 110, 115, 218, 220, 230, 253, 436, 460, 506, 545, 1012, 1090, 1199, 1265, 2180, 2398, 2507, 2530, 4796, 5014, 5060, 5995, 10028, 11990, 12535, 23980, 25070, 27577, 50140, 55154, 110308, 137885, 275770, 551540]

約数ペア:

[(1, 551540), (2, 275770), (4, 137885), (5, 110308), (10, 55154), (11, 50140), (20, 27577), (22, 25070), (23, 23980), (44, 12535), (46, 11990), (55, 10028), (92, 5995), (109, 5060), (110, 5014), (115, 4796), (218, 2530), (220, 2507), (230, 2398), (253, 2180), (436, 1265), (460, 1199), (506, 1090), (545, 1012)]