283932020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{307}}^1\times {\mathrm{353}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 604473408

約数和(自身を除く): 320541388

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 307, 353, 524, 614, 655, 706, 1228, 1310, 1412, 1535, 1765, 2620, 3070, 3530, 6140, 7060, 40217, 46243, 80434, 92486, 108371, 160868, 184972, 201085, 216742, 231215, 402170, 433484, 462430, 541855, 804340, 924860, 1083710, 2167420, 14196601, 28393202, 56786404, 70983005, 141966010, 283932020]

約数ペア:

[(1, 283932020), (2, 141966010), (4, 70983005), (5, 56786404), (10, 28393202), (20, 14196601), (131, 2167420), (262, 1083710), (307, 924860), (353, 804340), (524, 541855), (614, 462430), (655, 433484), (706, 402170), (1228, 231215), (1310, 216742), (1412, 201085), (1535, 184972), (1765, 160868), (2620, 108371), (3070, 92486), (3530, 80434), (6140, 46243), (7060, 40217)]