61400470

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 112412160

約数和(自身を除く): 51011690

約数列:

[1, 2, 5, 10, 139, 163, 271, 278, 326, 542, 695, 815, 1355, 1390, 1630, 2710, 22657, 37669, 44173, 45314, 75338, 88346, 113285, 188345, 220865, 226570, 376690, 441730, 6140047, 12280094, 30700235, 61400470]

約数ペア:

[(1, 61400470), (2, 30700235), (5, 12280094), (10, 6140047), (139, 441730), (163, 376690), (271, 226570), (278, 220865), (326, 188345), (542, 113285), (695, 88346), (815, 75338), (1355, 45314), (1390, 44173), (1630, 37669), (2710, 22657)]