545849420

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1\times {\mathrm{1429}}^1$

素因数の和:1778

約数の個数: 48

約数和(自身を含む): 1167566400

約数和(自身を除く): 621716980

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 269, 284, 355, 538, 710, 1076, 1345, 1420, 1429, 2690, 2858, 5380, 5716, 7145, 14290, 19099, 28580, 38198, 76396, 95495, 101459, 190990, 202918, 381980, 384401, 405836, 507295, 768802, 1014590, 1537604, 1922005, 2029180, 3844010, 7688020, 27292471, 54584942, 109169884, 136462355, 272924710, 545849420]

約数ペア:

[(1, 545849420), (2, 272924710), (4, 136462355), (5, 109169884), (10, 54584942), (20, 27292471), (71, 7688020), (142, 3844010), (269, 2029180), (284, 1922005), (355, 1537604), (538, 1014590), (710, 768802), (1076, 507295), (1345, 405836), (1420, 384401), (1429, 381980), (2690, 202918), (2858, 190990), (5380, 101459), (5716, 95495), (7145, 76396), (14290, 38198), (19099, 28580)]