201211640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{251}}^1\times {\mathrm{409}}^1$

素因数の和:685

約数の個数: 96

約数和(自身を含む): 530031600

約数和(自身を除く): 328819960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 251, 280, 392, 409, 490, 502, 818, 980, 1004, 1255, 1636, 1757, 1960, 2008, 2045, 2510, 2863, 3272, 3514, 4090, 5020, 5726, 7028, 8180, 8785, 10040, 11452, 12299, 14056, 14315, 16360, 17570, 20041, 22904, 24598, 28630, 35140, 40082, 49196, 57260, 61495, 70280, 80164, 98392, 100205, 102659, 114520, 122990, 160328, 200410, 205318, 245980, 400820, 410636, 491960, 513295, 718613, 801640, 821272, 1026590, 1437226, 2053180, 2874452, 3593065, 4106360, 5030291, 5748904, 7186130, 10060582, 14372260, 20121164, 25151455, 28744520, 40242328, 50302910, 100605820, 201211640]

約数ペア:

[(1, 201211640), (2, 100605820), (4, 50302910), (5, 40242328), (7, 28744520), (8, 25151455), (10, 20121164), (14, 14372260), (20, 10060582), (28, 7186130), (35, 5748904), (40, 5030291), (49, 4106360), (56, 3593065), (70, 2874452), (98, 2053180), (140, 1437226), (196, 1026590), (245, 821272), (251, 801640), (280, 718613), (392, 513295), (409, 491960), (490, 410636), (502, 400820), (818, 245980), (980, 205318), (1004, 200410), (1255, 160328), (1636, 122990), (1757, 114520), (1960, 102659), (2008, 100205), (2045, 98392), (2510, 80164), (2863, 70280), (3272, 61495), (3514, 57260), (4090, 49196), (5020, 40082), (5726, 35140), (7028, 28630), (8180, 24598), (8785, 22904), (10040, 20041), (11452, 17570), (12299, 16360), (14056, 14315)]