2019116540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{11383}}^1$

素因数の和:11587

約数の個数: 72

約数和(自身を含む): 4960099872

約数和(自身を除く): 2940983332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 181, 196, 245, 362, 490, 724, 905, 980, 1267, 1810, 2534, 3620, 5068, 6335, 8869, 11383, 12670, 17738, 22766, 25340, 35476, 44345, 45532, 56915, 79681, 88690, 113830, 159362, 177380, 227660, 318724, 398405, 557767, 796810, 1115534, 1593620, 2060323, 2231068, 2788835, 4120646, 5577670, 8241292, 10301615, 11155340, 14422261, 20603230, 28844522, 41206460, 57689044, 72111305, 100955827, 144222610, 201911654, 288445220, 403823308, 504779135, 1009558270, 2019116540]

約数ペア:

[(1, 2019116540), (2, 1009558270), (4, 504779135), (5, 403823308), (7, 288445220), (10, 201911654), (14, 144222610), (20, 100955827), (28, 72111305), (35, 57689044), (49, 41206460), (70, 28844522), (98, 20603230), (140, 14422261), (181, 11155340), (196, 10301615), (245, 8241292), (362, 5577670), (490, 4120646), (724, 2788835), (905, 2231068), (980, 2060323), (1267, 1593620), (1810, 1115534), (2534, 796810), (3620, 557767), (5068, 398405), (6335, 318724), (8869, 227660), (11383, 177380), (12670, 159362), (17738, 113830), (22766, 88690), (25340, 79681), (35476, 56915), (44345, 45532)]