210955940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{4801}}^1$

素因数の和:4849

約数の個数: 48

約数和(自身を含む): 480007920

約数和(自身を除く): 269051980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2197, 3380, 4394, 4801, 8788, 9602, 10985, 19204, 21970, 24005, 43940, 48010, 62413, 96020, 124826, 249652, 312065, 624130, 811369, 1248260, 1622738, 3245476, 4056845, 8113690, 10547797, 16227380, 21095594, 42191188, 52738985, 105477970, 210955940]

約数ペア:

[(1, 210955940), (2, 105477970), (4, 52738985), (5, 42191188), (10, 21095594), (13, 16227380), (20, 10547797), (26, 8113690), (52, 4056845), (65, 3245476), (130, 1622738), (169, 1248260), (260, 811369), (338, 624130), (676, 312065), (845, 249652), (1690, 124826), (2197, 96020), (3380, 62413), (4394, 48010), (4801, 43940), (8788, 24005), (9602, 21970), (10985, 19204)]