40405890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{27487}}^1$

素因数の和:27511

約数の個数: 48

約数和(自身を含む): 112810752

約数和(自身を除く): 72404862

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, 27487, 54974, 82461, 137435, 164922, 192409, 274870, 384818, 412305, 577227, 824610, 962045, 1154454, 1346863, 1924090, 2693726, 2886135, 4040589, 5772270, 6734315, 8081178, 13468630, 20202945, 40405890]

約数ペア:

[(1, 40405890), (2, 20202945), (3, 13468630), (5, 8081178), (6, 6734315), (7, 5772270), (10, 4040589), (14, 2886135), (15, 2693726), (21, 1924090), (30, 1346863), (35, 1154454), (42, 962045), (49, 824610), (70, 577227), (98, 412305), (105, 384818), (147, 274870), (210, 192409), (245, 164922), (294, 137435), (490, 82461), (735, 54974), (1470, 27487)]