3957380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1229}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 9918720

約数和(自身を除く): 5961340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1229, 1610, 2458, 3220, 4916, 6145, 8603, 12290, 17206, 24580, 28267, 34412, 43015, 56534, 86030, 113068, 141335, 172060, 197869, 282670, 395738, 565340, 791476, 989345, 1978690, 3957380]

約数ペア:

[(1, 3957380), (2, 1978690), (4, 989345), (5, 791476), (7, 565340), (10, 395738), (14, 282670), (20, 197869), (23, 172060), (28, 141335), (35, 113068), (46, 86030), (70, 56534), (92, 43015), (115, 34412), (140, 28267), (161, 24580), (230, 17206), (322, 12290), (460, 8603), (644, 6145), (805, 4916), (1229, 3220), (1610, 2458)]