85214920

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{6211}}^1$

素因数の和:6243

約数の個数: 64

約数和(自身を含む): 223632000

約数和(自身を除く): 138417080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6211, 6860, 12422, 13720, 24844, 31055, 43477, 49688, 62110, 86954, 124220, 173908, 217385, 248440, 304339, 347816, 434770, 608678, 869540, 1217356, 1521695, 1739080, 2130373, 2434712, 3043390, 4260746, 6086780, 8521492, 10651865, 12173560, 17042984, 21303730, 42607460, 85214920]

約数ペア:

[(1, 85214920), (2, 42607460), (4, 21303730), (5, 17042984), (7, 12173560), (8, 10651865), (10, 8521492), (14, 6086780), (20, 4260746), (28, 3043390), (35, 2434712), (40, 2130373), (49, 1739080), (56, 1521695), (70, 1217356), (98, 869540), (140, 608678), (196, 434770), (245, 347816), (280, 304339), (343, 248440), (392, 217385), (490, 173908), (686, 124220), (980, 86954), (1372, 62110), (1715, 49688), (1960, 43477), (2744, 31055), (3430, 24844), (6211, 13720), (6860, 12422)]