1999553710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1\times {\mathrm{3163}}^1$

素因数の和:4009

約数の個数: 64

約数和(自身を含む): 4494196224

約数和(自身を除く): 2494642514

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 821, 1642, 3163, 4105, 5747, 6326, 8210, 9031, 11494, 15815, 18062, 22141, 28735, 31630, 34793, 44282, 45155, 57470, 63217, 69586, 90310, 110705, 126434, 173965, 221410, 243551, 316085, 347930, 487102, 632170, 1217755, 2435510, 2596823, 5193646, 12984115, 18177761, 25968230, 28565053, 36355522, 57130106, 90888805, 142825265, 181777610, 199955371, 285650530, 399910742, 999776855, 1999553710]

約数ペア:

[(1, 1999553710), (2, 999776855), (5, 399910742), (7, 285650530), (10, 199955371), (11, 181777610), (14, 142825265), (22, 90888805), (35, 57130106), (55, 36355522), (70, 28565053), (77, 25968230), (110, 18177761), (154, 12984115), (385, 5193646), (770, 2596823), (821, 2435510), (1642, 1217755), (3163, 632170), (4105, 487102), (5747, 347930), (6326, 316085), (8210, 243551), (9031, 221410), (11494, 173965), (15815, 126434), (18062, 110705), (22141, 90310), (28735, 69586), (31630, 63217), (34793, 57470), (44282, 45155)]