203971390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{3943}}^1$

素因数の和:4696

約数の個数: 32

約数和(自身を含む): 420272640

約数和(自身を除く): 216301250

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 739, 1478, 3695, 3943, 5173, 7390, 7886, 10346, 19715, 25865, 27601, 39430, 51730, 55202, 138005, 276010, 2913877, 5827754, 14569385, 20397139, 29138770, 40794278, 101985695, 203971390]

約数ペア:

[(1, 203971390), (2, 101985695), (5, 40794278), (7, 29138770), (10, 20397139), (14, 14569385), (35, 5827754), (70, 2913877), (739, 276010), (1478, 138005), (3695, 55202), (3943, 51730), (5173, 39430), (7390, 27601), (7886, 25865), (10346, 19715)]