275290430

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{20407}}^1$

素因数の和:20504

約数の個数: 32

約数和(自身を含む): 528975360

約数和(自身を除く): 253684930

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 2698, 6745, 13490, 20407, 40814, 102035, 204070, 387733, 775466, 1448897, 1938665, 2897794, 3877330, 7244485, 14488970, 27529043, 55058086, 137645215, 275290430]

約数ペア:

[(1, 275290430), (2, 137645215), (5, 55058086), (10, 27529043), (19, 14488970), (38, 7244485), (71, 3877330), (95, 2897794), (142, 1938665), (190, 1448897), (355, 775466), (710, 387733), (1349, 204070), (2698, 102035), (6745, 40814), (13490, 20407)]