57191960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1301}}^1$

素因数の和:1476

約数の個数: 64

約数和(自身を含む): 148115520

約数和(自身を除く): 90923560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 628, 785, 1099, 1256, 1301, 1570, 2198, 2602, 3140, 4396, 5204, 5495, 6280, 6505, 8792, 9107, 10408, 10990, 13010, 18214, 21980, 26020, 36428, 43960, 45535, 52040, 72856, 91070, 182140, 204257, 364280, 408514, 817028, 1021285, 1429799, 1634056, 2042570, 2859598, 4085140, 5719196, 7148995, 8170280, 11438392, 14297990, 28595980, 57191960]

約数ペア:

[(1, 57191960), (2, 28595980), (4, 14297990), (5, 11438392), (7, 8170280), (8, 7148995), (10, 5719196), (14, 4085140), (20, 2859598), (28, 2042570), (35, 1634056), (40, 1429799), (56, 1021285), (70, 817028), (140, 408514), (157, 364280), (280, 204257), (314, 182140), (628, 91070), (785, 72856), (1099, 52040), (1256, 45535), (1301, 43960), (1570, 36428), (2198, 26020), (2602, 21980), (3140, 18214), (4396, 13010), (5204, 10990), (5495, 10408), (6280, 9107), (6505, 8792)]