87871630

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{821}}^1$

素因数の和:985

約数の個数: 64

約数和(自身を含む): 198858240

約数和(自身を除く): 110986610

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 139, 154, 278, 385, 695, 770, 821, 973, 1390, 1529, 1642, 1946, 3058, 4105, 4865, 5747, 7645, 8210, 9031, 9730, 10703, 11494, 15290, 18062, 21406, 28735, 45155, 53515, 57470, 63217, 90310, 107030, 114119, 126434, 228238, 316085, 570595, 632170, 798833, 1141190, 1255309, 1597666, 2510618, 3994165, 6276545, 7988330, 8787163, 12553090, 17574326, 43935815, 87871630]

約数ペア:

[(1, 87871630), (2, 43935815), (5, 17574326), (7, 12553090), (10, 8787163), (11, 7988330), (14, 6276545), (22, 3994165), (35, 2510618), (55, 1597666), (70, 1255309), (77, 1141190), (110, 798833), (139, 632170), (154, 570595), (278, 316085), (385, 228238), (695, 126434), (770, 114119), (821, 107030), (973, 90310), (1390, 63217), (1529, 57470), (1642, 53515), (1946, 45155), (3058, 28735), (4105, 21406), (4865, 18062), (5747, 15290), (7645, 11494), (8210, 10703), (9031, 9730)]