668205890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{264113}}^1$

素因数の和:264154

約数の個数: 32

約数和(自身を含む): 1369166976

約数和(自身を除く): 700961086

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 264113, 528226, 1320565, 2641130, 2905243, 5810486, 6074599, 12149198, 14526215, 29052430, 30372995, 60745990, 66820589, 133641178, 334102945, 668205890]

約数ペア:

[(1, 668205890), (2, 334102945), (5, 133641178), (10, 66820589), (11, 60745990), (22, 30372995), (23, 29052430), (46, 14526215), (55, 12149198), (110, 6074599), (115, 5810486), (230, 2905243), (253, 2641130), (506, 1320565), (1265, 528226), (2530, 264113)]