123908260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{2143}}^1$

素因数の和:2225

約数の個数: 72

約数和(自身を含む): 307964160

約数和(自身を除く): 184055900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 196, 236, 245, 295, 413, 490, 590, 826, 980, 1180, 1652, 2065, 2143, 2891, 4130, 4286, 5782, 8260, 8572, 10715, 11564, 14455, 15001, 21430, 28910, 30002, 42860, 57820, 60004, 75005, 105007, 126437, 150010, 210014, 252874, 300020, 420028, 505748, 525035, 632185, 885059, 1050070, 1264370, 1770118, 2100140, 2528740, 3540236, 4425295, 6195413, 8850590, 12390826, 17701180, 24781652, 30977065, 61954130, 123908260]

約数ペア:

[(1, 123908260), (2, 61954130), (4, 30977065), (5, 24781652), (7, 17701180), (10, 12390826), (14, 8850590), (20, 6195413), (28, 4425295), (35, 3540236), (49, 2528740), (59, 2100140), (70, 1770118), (98, 1264370), (118, 1050070), (140, 885059), (196, 632185), (236, 525035), (245, 505748), (295, 420028), (413, 300020), (490, 252874), (590, 210014), (826, 150010), (980, 126437), (1180, 105007), (1652, 75005), (2065, 60004), (2143, 57820), (2891, 42860), (4130, 30002), (4286, 28910), (5782, 21430), (8260, 15001), (8572, 14455), (10715, 11564)]