87433220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{16879}}^1$

素因数の和:16932

約数の個数: 48

約数和(自身を含む): 215523840

約数和(自身を除く): 128090620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 16879, 33758, 67516, 84395, 118153, 168790, 236306, 337580, 472612, 590765, 624523, 1181530, 1249046, 2363060, 2498092, 3122615, 4371661, 6245230, 8743322, 12490460, 17486644, 21858305, 43716610, 87433220]

約数ペア:

[(1, 87433220), (2, 43716610), (4, 21858305), (5, 17486644), (7, 12490460), (10, 8743322), (14, 6245230), (20, 4371661), (28, 3122615), (35, 2498092), (37, 2363060), (70, 1249046), (74, 1181530), (140, 624523), (148, 590765), (185, 472612), (259, 337580), (370, 236306), (518, 168790), (740, 118153), (1036, 84395), (1295, 67516), (2590, 33758), (5180, 16879)]