4046290

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 7620480

約数和(自身を除く): 3574190

約数列:

[1, 2, 5, 10, 41, 71, 82, 139, 142, 205, 278, 355, 410, 695, 710, 1390, 2911, 5699, 5822, 9869, 11398, 14555, 19738, 28495, 29110, 49345, 56990, 98690, 404629, 809258, 2023145, 4046290]

約数ペア:

[(1, 4046290), (2, 2023145), (5, 809258), (10, 404629), (41, 98690), (71, 56990), (82, 49345), (139, 29110), (142, 28495), (205, 19738), (278, 14555), (355, 11398), (410, 9869), (695, 5822), (710, 5699), (1390, 2911)]