189464840

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 434367360

約数和(自身を除く): 244902520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 167, 226, 251, 334, 452, 502, 565, 668, 835, 904, 1004, 1130, 1255, 1336, 1670, 2008, 2260, 2510, 3340, 4520, 5020, 6680, 10040, 18871, 28363, 37742, 41917, 56726, 75484, 83834, 94355, 113452, 141815, 150968, 167668, 188710, 209585, 226904, 283630, 335336, 377420, 419170, 567260, 754840, 838340, 1134520, 1676680, 4736621, 9473242, 18946484, 23683105, 37892968, 47366210, 94732420, 189464840]

約数ペア:

[(1, 189464840), (2, 94732420), (4, 47366210), (5, 37892968), (8, 23683105), (10, 18946484), (20, 9473242), (40, 4736621), (113, 1676680), (167, 1134520), (226, 838340), (251, 754840), (334, 567260), (452, 419170), (502, 377420), (565, 335336), (668, 283630), (835, 226904), (904, 209585), (1004, 188710), (1130, 167668), (1255, 150968), (1336, 141815), (1670, 113452), (2008, 94355), (2260, 83834), (2510, 75484), (3340, 56726), (4520, 41917), (5020, 37742), (6680, 28363), (10040, 18871)]