31913702940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{10855001}}^1$

素因数の和:10855027

約数の個数: 72

約数和(自身を含む): 103947499152

約数和(自身を除く): 72033796212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 10855001, 21710002, 32565003, 43420004, 54275005, 65130006, 75985007, 108550010, 130260012, 151970014, 162825015, 217100020, 227955021, 303940028, 325650030, 379925035, 455910042, 531895049, 651300060, 759850070, 911820084, 1063790098, 1139775105, 1519700140, 1595685147, 2127580196, 2279550210, 2659475245, 3191370294, 4559100420, 5318950490, 6382740588, 7978425735, 10637900980, 15956851470, 31913702940]

約数ペア:

[(1, 31913702940), (2, 15956851470), (3, 10637900980), (4, 7978425735), (5, 6382740588), (6, 5318950490), (7, 4559100420), (10, 3191370294), (12, 2659475245), (14, 2279550210), (15, 2127580196), (20, 1595685147), (21, 1519700140), (28, 1139775105), (30, 1063790098), (35, 911820084), (42, 759850070), (49, 651300060), (60, 531895049), (70, 455910042), (84, 379925035), (98, 325650030), (105, 303940028), (140, 227955021), (147, 217100020), (196, 162825015), (210, 151970014), (245, 130260012), (294, 108550010), (420, 75985007), (490, 65130006), (588, 54275005), (735, 43420004), (980, 32565003), (1470, 21710002), (2940, 10855001)]