2185890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{1487}}^1$

素因数の和:1511

約数の個数: 48

約数和(自身を含む): 6106752

約数和(自身を除く): 3920862

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 1487, 2974, 4461, 7435, 8922, 10409, 14870, 20818, 22305, 31227, 44610, 52045, 62454, 72863, 104090, 145726, 156135, 218589, 312270, 364315, 437178, 728630, 1092945, 2185890]

約数ペア:

[(1, 2185890), (2, 1092945), (3, 728630), (5, 437178), (6, 364315), (7, 312270), (10, 218589), (14, 156135), (15, 145726), (21, 104090), (30, 72863), (35, 62454), (42, 52045), (49, 44610), (70, 31227), (98, 22305), (105, 20818), (147, 14870), (210, 10409), (245, 8922), (294, 7435), (490, 4461), (735, 2974), (1470, 1487)]