2072490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 5806080

約数和(自身を除く): 3733590

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 139, 142, 210, 213, 278, 355, 417, 426, 497, 695, 710, 834, 973, 994, 1065, 1390, 1491, 1946, 2085, 2130, 2485, 2919, 2982, 4170, 4865, 4970, 5838, 7455, 9730, 9869, 14595, 14910, 19738, 29190, 29607, 49345, 59214, 69083, 98690, 138166, 148035, 207249, 296070, 345415, 414498, 690830, 1036245, 2072490]

約数ペア:

[(1, 2072490), (2, 1036245), (3, 690830), (5, 414498), (6, 345415), (7, 296070), (10, 207249), (14, 148035), (15, 138166), (21, 98690), (30, 69083), (35, 59214), (42, 49345), (70, 29607), (71, 29190), (105, 19738), (139, 14910), (142, 14595), (210, 9869), (213, 9730), (278, 7455), (355, 5838), (417, 4970), (426, 4865), (497, 4170), (695, 2982), (710, 2919), (834, 2485), (973, 2130), (994, 2085), (1065, 1946), (1390, 1491)]