42878920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:323

約数の個数: 96

約数和(自身を含む): 113762880

約数和(自身を除く): 70883960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 131, 140, 167, 196, 245, 262, 280, 334, 392, 490, 524, 655, 668, 835, 917, 980, 1048, 1169, 1310, 1336, 1670, 1834, 1960, 2338, 2620, 3340, 3668, 4585, 4676, 5240, 5845, 6419, 6680, 7336, 8183, 9170, 9352, 11690, 12838, 16366, 18340, 21877, 23380, 25676, 32095, 32732, 36680, 40915, 43754, 46760, 51352, 64190, 65464, 81830, 87508, 109385, 128380, 153139, 163660, 175016, 218770, 256760, 306278, 327320, 437540, 612556, 765695, 875080, 1071973, 1225112, 1531390, 2143946, 3062780, 4287892, 5359865, 6125560, 8575784, 10719730, 21439460, 42878920]

約数ペア:

[(1, 42878920), (2, 21439460), (4, 10719730), (5, 8575784), (7, 6125560), (8, 5359865), (10, 4287892), (14, 3062780), (20, 2143946), (28, 1531390), (35, 1225112), (40, 1071973), (49, 875080), (56, 765695), (70, 612556), (98, 437540), (131, 327320), (140, 306278), (167, 256760), (196, 218770), (245, 175016), (262, 163660), (280, 153139), (334, 128380), (392, 109385), (490, 87508), (524, 81830), (655, 65464), (668, 64190), (835, 51352), (917, 46760), (980, 43754), (1048, 40915), (1169, 36680), (1310, 32732), (1336, 32095), (1670, 25676), (1834, 23380), (1960, 21877), (2338, 18340), (2620, 16366), (3340, 12838), (3668, 11690), (4585, 9352), (4676, 9170), (5240, 8183), (5845, 7336), (6419, 6680)]