15378950

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:389

約数の個数: 48

約数和(自身を含む): 30640896

約数和(自身を除く): 15261946

約数列:

[1, 2, 5, 10, 23, 25, 43, 46, 50, 86, 115, 215, 230, 311, 430, 575, 622, 989, 1075, 1150, 1555, 1978, 2150, 3110, 4945, 7153, 7775, 9890, 13373, 14306, 15550, 24725, 26746, 35765, 49450, 66865, 71530, 133730, 178825, 307579, 334325, 357650, 615158, 668650, 1537895, 3075790, 7689475, 15378950]

約数ペア:

[(1, 15378950), (2, 7689475), (5, 3075790), (10, 1537895), (23, 668650), (25, 615158), (43, 357650), (46, 334325), (50, 307579), (86, 178825), (115, 133730), (215, 71530), (230, 66865), (311, 49450), (430, 35765), (575, 26746), (622, 24725), (989, 15550), (1075, 14306), (1150, 13373), (1555, 9890), (1978, 7775), (2150, 7153), (3110, 4945)]