78894140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:291

約数の個数: 96

約数和(自身を含む): 189665280

約数和(自身を除く): 110771140

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 79, 92, 115, 130, 158, 167, 230, 260, 299, 316, 334, 395, 460, 598, 668, 790, 835, 1027, 1196, 1495, 1580, 1670, 1817, 2054, 2171, 2990, 3340, 3634, 3841, 4108, 4342, 5135, 5980, 7268, 7682, 8684, 9085, 10270, 10855, 13193, 15364, 18170, 19205, 20540, 21710, 23621, 26386, 36340, 38410, 43420, 47242, 49933, 52772, 65965, 76820, 94484, 99866, 118105, 131930, 171509, 199732, 236210, 249665, 263860, 303439, 343018, 472420, 499330, 606878, 686036, 857545, 998660, 1213756, 1517195, 1715090, 3034390, 3430180, 3944707, 6068780, 7889414, 15778828, 19723535, 39447070, 78894140]

約数ペア:

[(1, 78894140), (2, 39447070), (4, 19723535), (5, 15778828), (10, 7889414), (13, 6068780), (20, 3944707), (23, 3430180), (26, 3034390), (46, 1715090), (52, 1517195), (65, 1213756), (79, 998660), (92, 857545), (115, 686036), (130, 606878), (158, 499330), (167, 472420), (230, 343018), (260, 303439), (299, 263860), (316, 249665), (334, 236210), (395, 199732), (460, 171509), (598, 131930), (668, 118105), (790, 99866), (835, 94484), (1027, 76820), (1196, 65965), (1495, 52772), (1580, 49933), (1670, 47242), (1817, 43420), (2054, 38410), (2171, 36340), (2990, 26386), (3340, 23621), (3634, 21710), (3841, 20540), (4108, 19205), (4342, 18170), (5135, 15364), (5980, 13193), (7268, 10855), (7682, 10270), (8684, 9085)]