287151320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{312121}}^1$

素因数の和:312155

約数の個数: 32

約数和(自身を含む): 674183520

約数和(自身を除く): 387032200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 312121, 624242, 1248484, 1560605, 2496968, 3121210, 6242420, 7178783, 12484840, 14357566, 28715132, 35893915, 57430264, 71787830, 143575660, 287151320]

約数ペア:

[(1, 287151320), (2, 143575660), (4, 71787830), (5, 57430264), (8, 35893915), (10, 28715132), (20, 14357566), (23, 12484840), (40, 7178783), (46, 6242420), (92, 3121210), (115, 2496968), (184, 1560605), (230, 1248484), (460, 624242), (920, 312121)]