1640210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:99

約数の個数: 64

約数和(自身を含む): 3677184

約数和(自身を除く): 2036974

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 37, 55, 62, 65, 74, 110, 130, 143, 155, 185, 286, 310, 341, 370, 403, 407, 481, 682, 715, 806, 814, 962, 1147, 1430, 1705, 2015, 2035, 2294, 2405, 3410, 4030, 4070, 4433, 4810, 5291, 5735, 8866, 10582, 11470, 12617, 14911, 22165, 25234, 26455, 29822, 44330, 52910, 63085, 74555, 126170, 149110, 164021, 328042, 820105, 1640210]

約数ペア:

[(1, 1640210), (2, 820105), (5, 328042), (10, 164021), (11, 149110), (13, 126170), (22, 74555), (26, 63085), (31, 52910), (37, 44330), (55, 29822), (62, 26455), (65, 25234), (74, 22165), (110, 14911), (130, 12617), (143, 11470), (155, 10582), (185, 8866), (286, 5735), (310, 5291), (341, 4810), (370, 4433), (403, 4070), (407, 4030), (481, 3410), (682, 2405), (715, 2294), (806, 2035), (814, 2015), (962, 1705), (1147, 1430)]