2305940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 6099912

約数和(自身を除く): 3793972

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 181, 182, 196, 245, 260, 362, 364, 455, 490, 637, 724, 905, 910, 980, 1267, 1274, 1810, 1820, 2353, 2534, 2548, 3185, 3620, 4706, 5068, 6335, 6370, 8869, 9412, 11765, 12670, 12740, 16471, 17738, 23530, 25340, 32942, 35476, 44345, 47060, 65884, 82355, 88690, 115297, 164710, 177380, 230594, 329420, 461188, 576485, 1152970, 2305940]

約数ペア:

[(1, 2305940), (2, 1152970), (4, 576485), (5, 461188), (7, 329420), (10, 230594), (13, 177380), (14, 164710), (20, 115297), (26, 88690), (28, 82355), (35, 65884), (49, 47060), (52, 44345), (65, 35476), (70, 32942), (91, 25340), (98, 23530), (130, 17738), (140, 16471), (181, 12740), (182, 12670), (196, 11765), (245, 9412), (260, 8869), (362, 6370), (364, 6335), (455, 5068), (490, 4706), (637, 3620), (724, 3185), (905, 2548), (910, 2534), (980, 2353), (1267, 1820), (1274, 1810)]