211378160

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{53923}}^1$

素因数の和:53950

約数の個数: 60

約数和(自身を含む): 571702248

約数和(自身を除く): 360324088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 53923, 107846, 215692, 269615, 377461, 431384, 539230, 754922, 862768, 1078460, 1509844, 1887305, 2156920, 2642227, 3019688, 3774610, 4313840, 5284454, 6039376, 7549220, 10568908, 13211135, 15098440, 21137816, 26422270, 30196880, 42275632, 52844540, 105689080, 211378160]

約数ペア:

[(1, 211378160), (2, 105689080), (4, 52844540), (5, 42275632), (7, 30196880), (8, 26422270), (10, 21137816), (14, 15098440), (16, 13211135), (20, 10568908), (28, 7549220), (35, 6039376), (40, 5284454), (49, 4313840), (56, 3774610), (70, 3019688), (80, 2642227), (98, 2156920), (112, 1887305), (140, 1509844), (196, 1078460), (245, 862768), (280, 754922), (392, 539230), (490, 431384), (560, 377461), (784, 269615), (980, 215692), (1960, 107846), (3920, 53923)]