211765960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{787}}^1$

素因数の和:867

約数の個数: 96

約数和(自身を含む): 563388480

約数和(自身を除く): 351622520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 787, 868, 961, 1085, 1240, 1574, 1736, 1922, 2170, 3148, 3844, 3935, 4340, 4805, 5509, 6296, 6727, 7688, 7870, 8680, 9610, 11018, 13454, 15740, 19220, 22036, 24397, 26908, 27545, 31480, 33635, 38440, 44072, 48794, 53816, 55090, 67270, 97588, 110180, 121985, 134540, 170779, 195176, 220360, 243970, 269080, 341558, 487940, 683116, 756307, 853895, 975880, 1366232, 1512614, 1707790, 3025228, 3415580, 3781535, 5294149, 6050456, 6831160, 7563070, 10588298, 15126140, 21176596, 26470745, 30252280, 42353192, 52941490, 105882980, 211765960]

約数ペア:

[(1, 211765960), (2, 105882980), (4, 52941490), (5, 42353192), (7, 30252280), (8, 26470745), (10, 21176596), (14, 15126140), (20, 10588298), (28, 7563070), (31, 6831160), (35, 6050456), (40, 5294149), (56, 3781535), (62, 3415580), (70, 3025228), (124, 1707790), (140, 1512614), (155, 1366232), (217, 975880), (248, 853895), (280, 756307), (310, 683116), (434, 487940), (620, 341558), (787, 269080), (868, 243970), (961, 220360), (1085, 195176), (1240, 170779), (1574, 134540), (1736, 121985), (1922, 110180), (2170, 97588), (3148, 67270), (3844, 55090), (3935, 53816), (4340, 48794), (4805, 44072), (5509, 38440), (6296, 33635), (6727, 31480), (7688, 27545), (7870, 26908), (8680, 24397), (9610, 22036), (11018, 19220), (13454, 15740)]