2807490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 7983360

約数和(自身を除く): 5175870

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 87, 105, 145, 174, 203, 210, 290, 406, 435, 461, 609, 870, 922, 1015, 1218, 1383, 2030, 2305, 2766, 3045, 3227, 4610, 6090, 6454, 6915, 9681, 13369, 13830, 16135, 19362, 26738, 32270, 40107, 48405, 66845, 80214, 93583, 96810, 133690, 187166, 200535, 280749, 401070, 467915, 561498, 935830, 1403745, 2807490]

約数ペア:

[(1, 2807490), (2, 1403745), (3, 935830), (5, 561498), (6, 467915), (7, 401070), (10, 280749), (14, 200535), (15, 187166), (21, 133690), (29, 96810), (30, 93583), (35, 80214), (42, 66845), (58, 48405), (70, 40107), (87, 32270), (105, 26738), (145, 19362), (174, 16135), (203, 13830), (210, 13369), (290, 9681), (406, 6915), (435, 6454), (461, 6090), (609, 4610), (870, 3227), (922, 3045), (1015, 2766), (1218, 2305), (1383, 2030)]