70139580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23857}}^1$

素因数の和:23883

約数の個数: 72

約数和(自身を含む): 228464208

約数和(自身を除く): 158324628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 23857, 47714, 71571, 95428, 119285, 143142, 166999, 238570, 286284, 333998, 357855, 477140, 500997, 667996, 715710, 834995, 1001994, 1168993, 1431420, 1669990, 2003988, 2337986, 2504985, 3339980, 3506979, 4675972, 5009970, 5844965, 7013958, 10019940, 11689930, 14027916, 17534895, 23379860, 35069790, 70139580]

約数ペア:

[(1, 70139580), (2, 35069790), (3, 23379860), (4, 17534895), (5, 14027916), (6, 11689930), (7, 10019940), (10, 7013958), (12, 5844965), (14, 5009970), (15, 4675972), (20, 3506979), (21, 3339980), (28, 2504985), (30, 2337986), (35, 2003988), (42, 1669990), (49, 1431420), (60, 1168993), (70, 1001994), (84, 834995), (98, 715710), (105, 667996), (140, 500997), (147, 477140), (196, 357855), (210, 333998), (245, 286284), (294, 238570), (420, 166999), (490, 143142), (588, 119285), (735, 95428), (980, 71571), (1470, 47714), (2940, 23857)]