693220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 1669248

約数和(自身を除く): 976028

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 137, 220, 230, 253, 274, 460, 506, 548, 685, 1012, 1265, 1370, 1507, 2530, 2740, 3014, 3151, 5060, 6028, 6302, 7535, 12604, 15070, 15755, 30140, 31510, 34661, 63020, 69322, 138644, 173305, 346610, 693220]

約数ペア:

[(1, 693220), (2, 346610), (4, 173305), (5, 138644), (10, 69322), (11, 63020), (20, 34661), (22, 31510), (23, 30140), (44, 15755), (46, 15070), (55, 12604), (92, 7535), (110, 6302), (115, 6028), (137, 5060), (220, 3151), (230, 3014), (253, 2740), (274, 2530), (460, 1507), (506, 1370), (548, 1265), (685, 1012)]