988990310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{3203}}^1$

素因数の和:3629

約数の個数: 64

約数和(自身を含む): 2225677824

約数和(自身を除く): 1236687514

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 401, 770, 802, 2005, 2807, 3203, 4010, 4411, 5614, 6406, 8822, 14035, 16015, 22055, 22421, 28070, 30877, 32030, 35233, 44110, 44842, 61754, 70466, 112105, 154385, 176165, 224210, 246631, 308770, 352330, 493262, 1233155, 1284403, 2466310, 2568806, 6422015, 8990821, 12844030, 14128433, 17981642, 28256866, 44954105, 70642165, 89908210, 98899031, 141284330, 197798062, 494495155, 988990310]

約数ペア:

[(1, 988990310), (2, 494495155), (5, 197798062), (7, 141284330), (10, 98899031), (11, 89908210), (14, 70642165), (22, 44954105), (35, 28256866), (55, 17981642), (70, 14128433), (77, 12844030), (110, 8990821), (154, 6422015), (385, 2568806), (401, 2466310), (770, 1284403), (802, 1233155), (2005, 493262), (2807, 352330), (3203, 308770), (4010, 246631), (4411, 224210), (5614, 176165), (6406, 154385), (8822, 112105), (14035, 70466), (16015, 61754), (22055, 44842), (22421, 44110), (28070, 35233), (30877, 32030)]