38970540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:376

約数の個数: 144

約数和(自身を含む): 136648512

約数和(自身を除く): 97677972

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 157, 180, 197, 210, 252, 314, 315, 394, 420, 471, 591, 628, 630, 785, 788, 942, 985, 1099, 1182, 1260, 1379, 1413, 1570, 1773, 1884, 1970, 2198, 2355, 2364, 2758, 2826, 2955, 3140, 3297, 3546, 3940, 4137, 4396, 4710, 5495, 5516, 5652, 5910, 6594, 6895, 7065, 7092, 8274, 8865, 9420, 9891, 10990, 11820, 12411, 13188, 13790, 14130, 16485, 16548, 17730, 19782, 20685, 21980, 24822, 27580, 28260, 30929, 32970, 35460, 39564, 41370, 49455, 49644, 61858, 62055, 65940, 82740, 92787, 98910, 123716, 124110, 154645, 185574, 197820, 216503, 248220, 278361, 309290, 371148, 433006, 463935, 556722, 618580, 649509, 866012, 927870, 1082515, 1113444, 1299018, 1391805, 1855740, 1948527, 2165030, 2598036, 2783610, 3247545, 3897054, 4330060, 5567220, 6495090, 7794108, 9742635, 12990180, 19485270, 38970540]

約数ペア:

[(1, 38970540), (2, 19485270), (3, 12990180), (4, 9742635), (5, 7794108), (6, 6495090), (7, 5567220), (9, 4330060), (10, 3897054), (12, 3247545), (14, 2783610), (15, 2598036), (18, 2165030), (20, 1948527), (21, 1855740), (28, 1391805), (30, 1299018), (35, 1113444), (36, 1082515), (42, 927870), (45, 866012), (60, 649509), (63, 618580), (70, 556722), (84, 463935), (90, 433006), (105, 371148), (126, 309290), (140, 278361), (157, 248220), (180, 216503), (197, 197820), (210, 185574), (252, 154645), (314, 124110), (315, 123716), (394, 98910), (420, 92787), (471, 82740), (591, 65940), (628, 62055), (630, 61858), (785, 49644), (788, 49455), (942, 41370), (985, 39564), (1099, 35460), (1182, 32970), (1260, 30929), (1379, 28260), (1413, 27580), (1570, 24822), (1773, 21980), (1884, 20685), (1970, 19782), (2198, 17730), (2355, 16548), (2364, 16485), (2758, 14130), (2826, 13790), (2955, 13188), (3140, 12411), (3297, 11820), (3546, 10990), (3940, 9891), (4137, 9420), (4396, 8865), (4710, 8274), (5495, 7092), (5516, 7065), (5652, 6895), (5910, 6594)]