2777188280

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{269}}^1\times {\mathrm{1297}}^1$

素因数の和:1776

約数の個数: 64

約数和(自身を含む): 6308280000

約数和(自身を除く): 3531091720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 269, 398, 538, 796, 995, 1076, 1297, 1345, 1592, 1990, 2152, 2594, 2690, 3980, 5188, 5380, 6485, 7960, 10376, 10760, 12970, 25940, 51880, 53531, 107062, 214124, 258103, 267655, 348893, 428248, 516206, 535310, 697786, 1032412, 1070620, 1290515, 1395572, 1744465, 2064824, 2141240, 2581030, 2791144, 3488930, 5162060, 6977860, 10324120, 13955720, 69429707, 138859414, 277718828, 347148535, 555437656, 694297070, 1388594140, 2777188280]

約数ペア:

[(1, 2777188280), (2, 1388594140), (4, 694297070), (5, 555437656), (8, 347148535), (10, 277718828), (20, 138859414), (40, 69429707), (199, 13955720), (269, 10324120), (398, 6977860), (538, 5162060), (796, 3488930), (995, 2791144), (1076, 2581030), (1297, 2141240), (1345, 2064824), (1592, 1744465), (1990, 1395572), (2152, 1290515), (2594, 1070620), (2690, 1032412), (3980, 697786), (5188, 535310), (5380, 516206), (6485, 428248), (7960, 348893), (10376, 267655), (10760, 258103), (12970, 214124), (25940, 107062), (51880, 53531)]