28815290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5639}}^1$

素因数の和:5726

約数の個数: 32

約数和(自身を含む): 60099840

約数和(自身を除く): 31284550

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 5110, 5639, 11278, 28195, 39473, 56390, 78946, 197365, 394730, 411647, 823294, 2058235, 2881529, 4116470, 5763058, 14407645, 28815290]

約数ペア:

[(1, 28815290), (2, 14407645), (5, 5763058), (7, 4116470), (10, 2881529), (14, 2058235), (35, 823294), (70, 411647), (73, 394730), (146, 197365), (365, 78946), (511, 56390), (730, 39473), (1022, 28195), (2555, 11278), (5110, 5639)]