374758840

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1\times {\mathrm{277}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 855684000

約数和(自身を除く): 480925160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 227, 277, 298, 454, 554, 596, 745, 908, 1108, 1135, 1192, 1385, 1490, 1816, 2216, 2270, 2770, 2980, 4540, 5540, 5960, 9080, 11080, 33823, 41273, 62879, 67646, 82546, 125758, 135292, 165092, 169115, 206365, 251516, 270584, 314395, 330184, 338230, 412730, 503032, 628790, 676460, 825460, 1257580, 1352920, 1650920, 2515160, 9368971, 18737942, 37475884, 46844855, 74951768, 93689710, 187379420, 374758840]

約数ペア:

[(1, 374758840), (2, 187379420), (4, 93689710), (5, 74951768), (8, 46844855), (10, 37475884), (20, 18737942), (40, 9368971), (149, 2515160), (227, 1650920), (277, 1352920), (298, 1257580), (454, 825460), (554, 676460), (596, 628790), (745, 503032), (908, 412730), (1108, 338230), (1135, 330184), (1192, 314395), (1385, 270584), (1490, 251516), (1816, 206365), (2216, 169115), (2270, 165092), (2770, 135292), (2980, 125758), (4540, 82546), (5540, 67646), (5960, 62879), (9080, 41273), (11080, 33823)]