42280270

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{499}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 78660000

約数和(自身を除く): 36379730

約数列:

[1, 2, 5, 10, 37, 74, 185, 229, 370, 458, 499, 998, 1145, 2290, 2495, 4990, 8473, 16946, 18463, 36926, 42365, 84730, 92315, 114271, 184630, 228542, 571355, 1142710, 4228027, 8456054, 21140135, 42280270]

約数ペア:

[(1, 42280270), (2, 21140135), (5, 8456054), (10, 4228027), (37, 1142710), (74, 571355), (185, 228542), (229, 184630), (370, 114271), (458, 92315), (499, 84730), (998, 42365), (1145, 36926), (2290, 18463), (2495, 16946), (4990, 8473)]