328438890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{280717}}^1$

素因数の和:280743

約数の個数: 48

約数和(自身を含む): 919632168

約数和(自身を除く): 591193278

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 280717, 561434, 842151, 1403585, 1684302, 2526453, 2807170, 3649321, 4210755, 5052906, 7298642, 8421510, 10947963, 12632265, 18246605, 21895926, 25264530, 32843889, 36493210, 54739815, 65687778, 109479630, 164219445, 328438890]

約数ペア:

[(1, 328438890), (2, 164219445), (3, 109479630), (5, 65687778), (6, 54739815), (9, 36493210), (10, 32843889), (13, 25264530), (15, 21895926), (18, 18246605), (26, 12632265), (30, 10947963), (39, 8421510), (45, 7298642), (65, 5052906), (78, 4210755), (90, 3649321), (117, 2807170), (130, 2526453), (195, 1684302), (234, 1403585), (390, 842151), (585, 561434), (1170, 280717)]