87319540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{56701}}^1$

素因数の和:56728

約数の個数: 48

約数和(自身を含む): 228622464

約数和(自身を除く): 141302924

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 56701, 113402, 226804, 283505, 396907, 567010, 623711, 793814, 1134020, 1247422, 1587628, 1984535, 2494844, 3118555, 3969070, 4365977, 6237110, 7938140, 8731954, 12474220, 17463908, 21829885, 43659770, 87319540]

約数ペア:

[(1, 87319540), (2, 43659770), (4, 21829885), (5, 17463908), (7, 12474220), (10, 8731954), (11, 7938140), (14, 6237110), (20, 4365977), (22, 3969070), (28, 3118555), (35, 2494844), (44, 1984535), (55, 1587628), (70, 1247422), (77, 1134020), (110, 793814), (140, 623711), (154, 567010), (220, 396907), (308, 283505), (385, 226804), (770, 113402), (1540, 56701)]