221714260

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1\times {\mathrm{691}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 475719552

約数和(自身を除く): 254005292

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 263, 305, 526, 610, 691, 1052, 1220, 1315, 1382, 2630, 2764, 3455, 5260, 6910, 13820, 16043, 32086, 42151, 64172, 80215, 84302, 160430, 168604, 181733, 210755, 320860, 363466, 421510, 726932, 843020, 908665, 1817330, 3634660, 11085713, 22171426, 44342852, 55428565, 110857130, 221714260]

約数ペア:

[(1, 221714260), (2, 110857130), (4, 55428565), (5, 44342852), (10, 22171426), (20, 11085713), (61, 3634660), (122, 1817330), (244, 908665), (263, 843020), (305, 726932), (526, 421510), (610, 363466), (691, 320860), (1052, 210755), (1220, 181733), (1315, 168604), (1382, 160430), (2630, 84302), (2764, 80215), (3455, 64172), (5260, 42151), (6910, 32086), (13820, 16043)]