138222640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1747}}^1$

素因数の和:1826

約数の個数: 80

約数和(自身を含む): 343335168

約数和(自身を除く): 205112528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 43, 46, 80, 86, 92, 115, 172, 184, 215, 230, 344, 368, 430, 460, 688, 860, 920, 989, 1720, 1747, 1840, 1978, 3440, 3494, 3956, 4945, 6988, 7912, 8735, 9890, 13976, 15824, 17470, 19780, 27952, 34940, 39560, 40181, 69880, 75121, 79120, 80362, 139760, 150242, 160724, 200905, 300484, 321448, 375605, 401810, 600968, 642896, 751210, 803620, 1201936, 1502420, 1607240, 1727783, 3004840, 3214480, 3455566, 6009680, 6911132, 8638915, 13822264, 17277830, 27644528, 34555660, 69111320, 138222640]

約数ペア:

[(1, 138222640), (2, 69111320), (4, 34555660), (5, 27644528), (8, 17277830), (10, 13822264), (16, 8638915), (20, 6911132), (23, 6009680), (40, 3455566), (43, 3214480), (46, 3004840), (80, 1727783), (86, 1607240), (92, 1502420), (115, 1201936), (172, 803620), (184, 751210), (215, 642896), (230, 600968), (344, 401810), (368, 375605), (430, 321448), (460, 300484), (688, 200905), (860, 160724), (920, 150242), (989, 139760), (1720, 80362), (1747, 79120), (1840, 75121), (1978, 69880), (3440, 40181), (3494, 39560), (3956, 34940), (4945, 27952), (6988, 19780), (7912, 17470), (8735, 15824), (9890, 13976)]