7888936520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{199417}}^1$

素因数の和:199494

約数の個数: 64

約数和(自身を含む): 18952686720

約数和(自身を除く): 11063750200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1720, 1978, 3956, 4945, 7912, 9890, 19780, 39560, 199417, 398834, 797668, 997085, 1595336, 1994170, 3988340, 4586591, 7976680, 8574931, 9173182, 17149862, 18346364, 22932955, 34299724, 36692728, 42874655, 45865910, 68599448, 85749310, 91731820, 171498620, 183463640, 197223413, 342997240, 394446826, 788893652, 986117065, 1577787304, 1972234130, 3944468260, 7888936520]

約数ペア:

[(1, 7888936520), (2, 3944468260), (4, 1972234130), (5, 1577787304), (8, 986117065), (10, 788893652), (20, 394446826), (23, 342997240), (40, 197223413), (43, 183463640), (46, 171498620), (86, 91731820), (92, 85749310), (115, 68599448), (172, 45865910), (184, 42874655), (215, 36692728), (230, 34299724), (344, 22932955), (430, 18346364), (460, 17149862), (860, 9173182), (920, 8574931), (989, 7976680), (1720, 4586591), (1978, 3988340), (3956, 1994170), (4945, 1595336), (7912, 997085), (9890, 797668), (19780, 398834), (39560, 199417)]