210418740

素因数分解:

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

素因数の和:23886

約数の個数: 108

約数和(自身を含む): 742508676

約数和(自身を除く): 532089936

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 23857, 47714, 71571, 95428, 119285, 143142, 166999, 214713, 238570, 286284, 333998, 357855, 429426, 477140, 500997, 667996, 715710, 834995, 858852, 1001994, 1073565, 1168993, 1431420, 1502991, 1669990, 2003988, 2147130, 2337986, 2504985, 3005982, 3339980, 3506979, 4294260, 4675972, 5009970, 5844965, 6011964, 7013958, 7514955, 10019940, 10520937, 11689930, 14027916, 15029910, 17534895, 21041874, 23379860, 30059820, 35069790, 42083748, 52604685, 70139580, 105209370, 210418740]

約数ペア:

[(1, 210418740), (2, 105209370), (3, 70139580), (4, 52604685), (5, 42083748), (6, 35069790), (7, 30059820), (9, 23379860), (10, 21041874), (12, 17534895), (14, 15029910), (15, 14027916), (18, 11689930), (20, 10520937), (21, 10019940), (28, 7514955), (30, 7013958), (35, 6011964), (36, 5844965), (42, 5009970), (45, 4675972), (49, 4294260), (60, 3506979), (63, 3339980), (70, 3005982), (84, 2504985), (90, 2337986), (98, 2147130), (105, 2003988), (126, 1669990), (140, 1502991), (147, 1431420), (180, 1168993), (196, 1073565), (210, 1001994), (245, 858852), (252, 834995), (294, 715710), (315, 667996), (420, 500997), (441, 477140), (490, 429426), (588, 357855), (630, 333998), (735, 286284), (882, 238570), (980, 214713), (1260, 166999), (1470, 143142), (1764, 119285), (2205, 95428), (2940, 71571), (4410, 47714), (8820, 23857)]