2051270620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{472643}}^1$

素因数の和:472690

約数の個数: 48

約数和(自身を含む): 5081868288

約数和(自身を除く): 3030597668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 472643, 945286, 1890572, 2363215, 3308501, 4726430, 6617002, 9452860, 13234004, 14651933, 16542505, 29303866, 33085010, 58607732, 66170020, 73259665, 102563531, 146519330, 205127062, 293038660, 410254124, 512817655, 1025635310, 2051270620]

約数ペア:

[(1, 2051270620), (2, 1025635310), (4, 512817655), (5, 410254124), (7, 293038660), (10, 205127062), (14, 146519330), (20, 102563531), (28, 73259665), (31, 66170020), (35, 58607732), (62, 33085010), (70, 29303866), (124, 16542505), (140, 14651933), (155, 13234004), (217, 9452860), (310, 6617002), (434, 4726430), (620, 3308501), (868, 2363215), (1085, 1890572), (2170, 945286), (4340, 472643)]