2008021204

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1\times {\mathrm{1277}}^1$

素因数の和:2008

約数の個数: 48

約数和(自身を含む): 4070787840

約数和(自身を除く): 2062766636

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 631, 1246, 1262, 1277, 2492, 2524, 2554, 4417, 5108, 8834, 8939, 17668, 17878, 35756, 56159, 112318, 113653, 224636, 227306, 393113, 454612, 786226, 795571, 805787, 1572452, 1591142, 1611574, 3182284, 3223148, 5640509, 11281018, 22562036, 71715043, 143430086, 286860172, 502005301, 1004010602, 2008021204]

約数ペア:

[(1, 2008021204), (2, 1004010602), (4, 502005301), (7, 286860172), (14, 143430086), (28, 71715043), (89, 22562036), (178, 11281018), (356, 5640509), (623, 3223148), (631, 3182284), (1246, 1611574), (1262, 1591142), (1277, 1572452), (2492, 805787), (2524, 795571), (2554, 786226), (4417, 454612), (5108, 393113), (8834, 227306), (8939, 224636), (17668, 113653), (17878, 112318), (35756, 56159)]