190520820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{21601}}^1$

素因数の和:21630

約数の個数: 108

約数和(自身を含む): 672297444

約数和(自身を除く): 481776624

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, 21601, 43202, 64803, 86404, 108005, 129606, 151207, 194409, 216010, 259212, 302414, 324015, 388818, 432020, 453621, 604828, 648030, 756035, 777636, 907242, 972045, 1058449, 1296060, 1360863, 1512070, 1814484, 1944090, 2116898, 2268105, 2721726, 3024140, 3175347, 3888180, 4233796, 4536210, 5292245, 5443452, 6350694, 6804315, 9072420, 9526041, 10584490, 12701388, 13608630, 15876735, 19052082, 21168980, 27217260, 31753470, 38104164, 47630205, 63506940, 95260410, 190520820]

約数ペア:

[(1, 190520820), (2, 95260410), (3, 63506940), (4, 47630205), (5, 38104164), (6, 31753470), (7, 27217260), (9, 21168980), (10, 19052082), (12, 15876735), (14, 13608630), (15, 12701388), (18, 10584490), (20, 9526041), (21, 9072420), (28, 6804315), (30, 6350694), (35, 5443452), (36, 5292245), (42, 4536210), (45, 4233796), (49, 3888180), (60, 3175347), (63, 3024140), (70, 2721726), (84, 2268105), (90, 2116898), (98, 1944090), (105, 1814484), (126, 1512070), (140, 1360863), (147, 1296060), (180, 1058449), (196, 972045), (210, 907242), (245, 777636), (252, 756035), (294, 648030), (315, 604828), (420, 453621), (441, 432020), (490, 388818), (588, 324015), (630, 302414), (735, 259212), (882, 216010), (980, 194409), (1260, 151207), (1470, 129606), (1764, 108005), (2205, 86404), (2940, 64803), (4410, 43202), (8820, 21601)]