207936575

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{991}}^1$

素因数の和:1128

約数の個数: 48

約数和(自身を含む): 324741120

約数和(自身を除く): 116804545

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 109, 175, 275, 385, 545, 763, 991, 1199, 1925, 2725, 3815, 4955, 5995, 6937, 8393, 10901, 19075, 24775, 29975, 34685, 41965, 54505, 76307, 108019, 173425, 209825, 272525, 381535, 540095, 756133, 1188209, 1907675, 2700475, 3780665, 5941045, 8317463, 18903325, 29705225, 41587315, 207936575]

約数ペア:

[(1, 207936575), (5, 41587315), (7, 29705225), (11, 18903325), (25, 8317463), (35, 5941045), (55, 3780665), (77, 2700475), (109, 1907675), (175, 1188209), (275, 756133), (385, 540095), (545, 381535), (763, 272525), (991, 209825), (1199, 173425), (1925, 108019), (2725, 76307), (3815, 54505), (4955, 41965), (5995, 34685), (6937, 29975), (8393, 24775), (10901, 19075)]