285122240

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68539}}^1$

素因数の和:68569

約数の個数: 56

約数和(自身を含む): 731184720

約数和(自身を除く): 446062480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 68539, 137078, 274156, 342695, 548312, 685390, 891007, 1096624, 1370780, 1782014, 2193248, 2741560, 3564028, 4386496, 4455035, 5483120, 7128056, 8910070, 10966240, 14256112, 17820140, 21932480, 28512224, 35640280, 57024448, 71280560, 142561120, 285122240]

約数ペア:

[(1, 285122240), (2, 142561120), (4, 71280560), (5, 57024448), (8, 35640280), (10, 28512224), (13, 21932480), (16, 17820140), (20, 14256112), (26, 10966240), (32, 8910070), (40, 7128056), (52, 5483120), (64, 4455035), (65, 4386496), (80, 3564028), (104, 2741560), (130, 2193248), (160, 1782014), (208, 1370780), (260, 1096624), (320, 891007), (416, 685390), (520, 548312), (832, 342695), (1040, 274156), (2080, 137078), (4160, 68539)]