1978690

素因数分解:

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

素因数の和:1266

約数の個数: 32

約数和(自身を含む): 4250880

約数和(自身を除く): 2272190

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1229, 1610, 2458, 6145, 8603, 12290, 17206, 28267, 43015, 56534, 86030, 141335, 197869, 282670, 395738, 989345, 1978690]

約数ペア:

[(1, 1978690), (2, 989345), (5, 395738), (7, 282670), (10, 197869), (14, 141335), (23, 86030), (35, 56534), (46, 43015), (70, 28267), (115, 17206), (161, 12290), (230, 8603), (322, 6145), (805, 2458), (1229, 1610)]