17789940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{2017}}^1$

素因数の和:2046

約数の個数: 108

約数和(自身を含む): 62804196

約数和(自身を除く): 45014256

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, 2017, 2205, 2940, 4034, 4410, 6051, 8068, 8820, 10085, 12102, 14119, 18153, 20170, 24204, 28238, 30255, 36306, 40340, 42357, 56476, 60510, 70595, 72612, 84714, 90765, 98833, 121020, 127071, 141190, 169428, 181530, 197666, 211785, 254142, 282380, 296499, 363060, 395332, 423570, 494165, 508284, 592998, 635355, 847140, 889497, 988330, 1185996, 1270710, 1482495, 1778994, 1976660, 2541420, 2964990, 3557988, 4447485, 5929980, 8894970, 17789940]

約数ペア:

[(1, 17789940), (2, 8894970), (3, 5929980), (4, 4447485), (5, 3557988), (6, 2964990), (7, 2541420), (9, 1976660), (10, 1778994), (12, 1482495), (14, 1270710), (15, 1185996), (18, 988330), (20, 889497), (21, 847140), (28, 635355), (30, 592998), (35, 508284), (36, 494165), (42, 423570), (45, 395332), (49, 363060), (60, 296499), (63, 282380), (70, 254142), (84, 211785), (90, 197666), (98, 181530), (105, 169428), (126, 141190), (140, 127071), (147, 121020), (180, 98833), (196, 90765), (210, 84714), (245, 72612), (252, 70595), (294, 60510), (315, 56476), (420, 42357), (441, 40340), (490, 36306), (588, 30255), (630, 28238), (735, 24204), (882, 20170), (980, 18153), (1260, 14119), (1470, 12102), (1764, 10085), (2017, 8820), (2205, 8068), (2940, 6051), (4034, 4410)]