2008369720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{231379}}^1$

素因数の和:231428

約数の個数: 64

約数和(自身を含む): 5330995200

約数和(自身を除く): 3322625480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 231379, 462758, 925516, 1156895, 1619653, 1851032, 2313790, 3239306, 4627580, 6478612, 7172749, 8098265, 9255160, 12957224, 14345498, 16196530, 28690996, 32393060, 35863745, 50209243, 57381992, 64786120, 71727490, 100418486, 143454980, 200836972, 251046215, 286909960, 401673944, 502092430, 1004184860, 2008369720]

約数ペア:

[(1, 2008369720), (2, 1004184860), (4, 502092430), (5, 401673944), (7, 286909960), (8, 251046215), (10, 200836972), (14, 143454980), (20, 100418486), (28, 71727490), (31, 64786120), (35, 57381992), (40, 50209243), (56, 35863745), (62, 32393060), (70, 28690996), (124, 16196530), (140, 14345498), (155, 12957224), (217, 9255160), (248, 8098265), (280, 7172749), (310, 6478612), (434, 4627580), (620, 3239306), (868, 2313790), (1085, 1851032), (1240, 1619653), (1736, 1156895), (2170, 925516), (4340, 462758), (8680, 231379)]