390982860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{2237}}^1$

素因数の和:3223

約数の個数: 72

約数和(自身を含む): 1187733456

約数和(自身を除く): 796750596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 971, 1942, 2237, 2913, 3884, 4474, 4855, 5826, 6711, 8739, 8948, 9710, 11185, 11652, 13422, 14565, 17478, 19420, 20133, 22370, 26844, 29130, 33555, 34956, 40266, 43695, 44740, 58260, 67110, 80532, 87390, 100665, 134220, 174780, 201330, 402660, 2172127, 4344254, 6516381, 8688508, 10860635, 13032762, 19549143, 21721270, 26065524, 32581905, 39098286, 43442540, 65163810, 78196572, 97745715, 130327620, 195491430, 390982860]

約数ペア:

[(1, 390982860), (2, 195491430), (3, 130327620), (4, 97745715), (5, 78196572), (6, 65163810), (9, 43442540), (10, 39098286), (12, 32581905), (15, 26065524), (18, 21721270), (20, 19549143), (30, 13032762), (36, 10860635), (45, 8688508), (60, 6516381), (90, 4344254), (180, 2172127), (971, 402660), (1942, 201330), (2237, 174780), (2913, 134220), (3884, 100665), (4474, 87390), (4855, 80532), (5826, 67110), (6711, 58260), (8739, 44740), (8948, 43695), (9710, 40266), (11185, 34956), (11652, 33555), (13422, 29130), (14565, 26844), (17478, 22370), (19420, 20133)]