77887951720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{398771}}^1$

素因数の和:399058

約数の個数: 64

約数和(自身を含む): 185189716800

約数和(自身を除く): 107301765080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 257, 380, 514, 760, 1028, 1285, 2056, 2570, 4883, 5140, 9766, 10280, 19532, 24415, 39064, 48830, 97660, 195320, 398771, 797542, 1595084, 1993855, 3190168, 3987710, 7576649, 7975420, 15153298, 15950840, 30306596, 37883245, 60613192, 75766490, 102484147, 151532980, 204968294, 303065960, 409936588, 512420735, 819873176, 1024841470, 1947198793, 2049682940, 3894397586, 4099365880, 7788795172, 9735993965, 15577590344, 19471987930, 38943975860, 77887951720]

約数ペア:

[(1, 77887951720), (2, 38943975860), (4, 19471987930), (5, 15577590344), (8, 9735993965), (10, 7788795172), (19, 4099365880), (20, 3894397586), (38, 2049682940), (40, 1947198793), (76, 1024841470), (95, 819873176), (152, 512420735), (190, 409936588), (257, 303065960), (380, 204968294), (514, 151532980), (760, 102484147), (1028, 75766490), (1285, 60613192), (2056, 37883245), (2570, 30306596), (4883, 15950840), (5140, 15153298), (9766, 7975420), (10280, 7576649), (19532, 3987710), (24415, 3190168), (39064, 1993855), (48830, 1595084), (97660, 797542), (195320, 398771)]