388970825

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 529251840

約数和(自身を除く): 140281015

約数列:

[1, 5, 23, 25, 37, 47, 115, 185, 235, 389, 575, 851, 925, 1081, 1175, 1739, 1945, 4255, 5405, 8695, 8947, 9725, 14393, 18283, 21275, 27025, 39997, 43475, 44735, 71965, 91415, 199985, 223675, 331039, 359825, 420509, 457075, 676471, 999925, 1655195, 2102545, 3382355, 8275975, 10512725, 15558833, 16911775, 77794165, 388970825]

約数ペア:

[(1, 388970825), (5, 77794165), (23, 16911775), (25, 15558833), (37, 10512725), (47, 8275975), (115, 3382355), (185, 2102545), (235, 1655195), (389, 999925), (575, 676471), (851, 457075), (925, 420509), (1081, 359825), (1175, 331039), (1739, 223675), (1945, 199985), (4255, 91415), (5405, 71965), (8695, 44735), (8947, 43475), (9725, 39997), (14393, 27025), (18283, 21275)]