8759940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20857}}^1$

素因数の和:20876

約数の個数: 48

約数和(自身を含む): 28033152

約数和(自身を除く): 19273212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 20857, 41714, 62571, 83428, 104285, 125142, 145999, 208570, 250284, 291998, 312855, 417140, 437997, 583996, 625710, 729995, 875994, 1251420, 1459990, 1751988, 2189985, 2919980, 4379970, 8759940]

約数ペア:

[(1, 8759940), (2, 4379970), (3, 2919980), (4, 2189985), (5, 1751988), (6, 1459990), (7, 1251420), (10, 875994), (12, 729995), (14, 625710), (15, 583996), (20, 437997), (21, 417140), (28, 312855), (30, 291998), (35, 250284), (42, 208570), (60, 145999), (70, 125142), (84, 104285), (105, 83428), (140, 62571), (210, 41714), (420, 20857)]