2490353690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1\times {\mathrm{1279}}^1$

素因数の和:1899

約数の個数: 64

約数和(自身を含む): 5060689920

約数和(自身を除く): 2570336230

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 571, 682, 1142, 1279, 1705, 2558, 2855, 3410, 5710, 6281, 6395, 12562, 12790, 14069, 17701, 28138, 31405, 35402, 39649, 62810, 70345, 79298, 88505, 140690, 177010, 194711, 198245, 389422, 396490, 436139, 730309, 872278, 973555, 1460618, 1947110, 2180695, 3651545, 4361390, 7303090, 8033399, 16066798, 22639579, 40166995, 45279158, 80333990, 113197895, 226395790, 249035369, 498070738, 1245176845, 2490353690]

約数ペア:

[(1, 2490353690), (2, 1245176845), (5, 498070738), (10, 249035369), (11, 226395790), (22, 113197895), (31, 80333990), (55, 45279158), (62, 40166995), (110, 22639579), (155, 16066798), (310, 8033399), (341, 7303090), (571, 4361390), (682, 3651545), (1142, 2180695), (1279, 1947110), (1705, 1460618), (2558, 973555), (2855, 872278), (3410, 730309), (5710, 436139), (6281, 396490), (6395, 389422), (12562, 198245), (12790, 194711), (14069, 177010), (17701, 140690), (28138, 88505), (31405, 79298), (35402, 70345), (39649, 62810)]