858233990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1439}}^1$

素因数の和:1581

約数の個数: 64

約数和(自身を含む): 1687910400

約数和(自身を除く): 829676410

約数列:

[1, 2, 5, 10, 19, 38, 43, 73, 86, 95, 146, 190, 215, 365, 430, 730, 817, 1387, 1439, 1634, 2774, 2878, 3139, 4085, 6278, 6935, 7195, 8170, 13870, 14390, 15695, 27341, 31390, 54682, 59641, 61877, 105047, 119282, 123754, 136705, 210094, 273410, 298205, 309385, 525235, 596410, 618770, 1050470, 1175663, 1995893, 2351326, 3991786, 4517021, 5878315, 9034042, 9979465, 11756630, 19958930, 22585105, 45170210, 85823399, 171646798, 429116995, 858233990]

約数ペア:

[(1, 858233990), (2, 429116995), (5, 171646798), (10, 85823399), (19, 45170210), (38, 22585105), (43, 19958930), (73, 11756630), (86, 9979465), (95, 9034042), (146, 5878315), (190, 4517021), (215, 3991786), (365, 2351326), (430, 1995893), (730, 1175663), (817, 1050470), (1387, 618770), (1439, 596410), (1634, 525235), (2774, 309385), (2878, 298205), (3139, 273410), (4085, 210094), (6278, 136705), (6935, 123754), (7195, 119282), (8170, 105047), (13870, 61877), (14390, 59641), (15695, 54682), (27341, 31390)]