871234840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{11831}}^1$

素因数の和:12112

約数の個数: 64

約数和(自身を含む): 2249026560

約数和(自身を除く): 1377791720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 526, 1052, 1315, 1841, 2104, 2630, 3682, 5260, 7364, 9205, 10520, 11831, 14728, 18410, 23662, 36820, 47324, 59155, 73640, 82817, 94648, 118310, 165634, 236620, 331268, 414085, 473240, 662536, 828170, 1656340, 3111553, 3312680, 6223106, 12446212, 15557765, 21780871, 24892424, 31115530, 43561742, 62231060, 87123484, 108904355, 124462120, 174246968, 217808710, 435617420, 871234840]

約数ペア:

[(1, 871234840), (2, 435617420), (4, 217808710), (5, 174246968), (7, 124462120), (8, 108904355), (10, 87123484), (14, 62231060), (20, 43561742), (28, 31115530), (35, 24892424), (40, 21780871), (56, 15557765), (70, 12446212), (140, 6223106), (263, 3312680), (280, 3111553), (526, 1656340), (1052, 828170), (1315, 662536), (1841, 473240), (2104, 414085), (2630, 331268), (3682, 236620), (5260, 165634), (7364, 118310), (9205, 94648), (10520, 82817), (11831, 73640), (14728, 59155), (18410, 47324), (23662, 36820)]