280418824

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1153}}^1$

素因数の和:1310

約数の個数: 64

約数和(自身を含む): 621498240

約数和(自身を除く): 341079416

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 101, 172, 202, 301, 344, 404, 602, 707, 808, 1153, 1204, 1414, 2306, 2408, 2828, 4343, 4612, 5656, 8071, 8686, 9224, 16142, 17372, 30401, 32284, 34744, 49579, 60802, 64568, 99158, 116453, 121604, 198316, 232906, 243208, 347053, 396632, 465812, 694106, 815171, 931624, 1388212, 1630342, 2776424, 3260684, 5007479, 6521368, 10014958, 20029916, 35052353, 40059832, 70104706, 140209412, 280418824]

約数ペア:

[(1, 280418824), (2, 140209412), (4, 70104706), (7, 40059832), (8, 35052353), (14, 20029916), (28, 10014958), (43, 6521368), (56, 5007479), (86, 3260684), (101, 2776424), (172, 1630342), (202, 1388212), (301, 931624), (344, 815171), (404, 694106), (602, 465812), (707, 396632), (808, 347053), (1153, 243208), (1204, 232906), (1414, 198316), (2306, 121604), (2408, 116453), (2828, 99158), (4343, 64568), (4612, 60802), (5656, 49579), (8071, 34744), (8686, 32284), (9224, 30401), (16142, 17372)]