279449872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2281}}^1$

素因数の和:2352

約数の個数: 80

約数和(自身を含む): 633848320

約数和(自身を除く): 354398448

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 247, 248, 304, 403, 494, 496, 589, 806, 988, 1178, 1612, 1976, 2281, 2356, 3224, 3952, 4562, 4712, 6448, 7657, 9124, 9424, 15314, 18248, 29653, 30628, 36496, 43339, 59306, 61256, 70711, 86678, 118612, 122512, 141422, 173356, 237224, 282844, 346712, 474448, 563407, 565688, 693424, 919243, 1126814, 1131376, 1343509, 1838486, 2253628, 2687018, 3676972, 4507256, 5374036, 7353944, 9014512, 10748072, 14707888, 17465617, 21496144, 34931234, 69862468, 139724936, 279449872]

約数ペア:

[(1, 279449872), (2, 139724936), (4, 69862468), (8, 34931234), (13, 21496144), (16, 17465617), (19, 14707888), (26, 10748072), (31, 9014512), (38, 7353944), (52, 5374036), (62, 4507256), (76, 3676972), (104, 2687018), (124, 2253628), (152, 1838486), (208, 1343509), (247, 1131376), (248, 1126814), (304, 919243), (403, 693424), (494, 565688), (496, 563407), (589, 474448), (806, 346712), (988, 282844), (1178, 237224), (1612, 173356), (1976, 141422), (2281, 122512), (2356, 118612), (3224, 86678), (3952, 70711), (4562, 61256), (4712, 59306), (6448, 43339), (7657, 36496), (9124, 30628), (9424, 29653), (15314, 18248)]