1918747390

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{1231}}^1\times {\mathrm{3181}}^1$

素因数の和:4433

約数の個数: 48

約数和(自身を含む): 4022149824

約数和(自身を除く): 2103402434

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1231, 2462, 3181, 6155, 6362, 8617, 12310, 15905, 17234, 22267, 31810, 43085, 44534, 60319, 86170, 111335, 120638, 155869, 222670, 301595, 311738, 603190, 779345, 1558690, 3915811, 7831622, 19579055, 27410677, 39158110, 54821354, 137053385, 191874739, 274106770, 383749478, 959373695, 1918747390]

約数ペア:

[(1, 1918747390), (2, 959373695), (5, 383749478), (7, 274106770), (10, 191874739), (14, 137053385), (35, 54821354), (49, 39158110), (70, 27410677), (98, 19579055), (245, 7831622), (490, 3915811), (1231, 1558690), (2462, 779345), (3181, 603190), (6155, 311738), (6362, 301595), (8617, 222670), (12310, 155869), (15905, 120638), (17234, 111335), (22267, 86170), (31810, 60319), (43085, 44534)]